81605160

素因数分解:

$2^3\times 3^2\times 5^1\times 7^1\times {\mathrm{13}}^1\times {\mathrm{47}}^1\times {\mathrm{53}}^1$

素因数の和:137

約数の個数: 384

約数和(自身を含む): 339655680

約数和(自身を除く): 258050520

約数列:

[1, 2, 3, 4, 5, 6, 7, 8, 9, 10, 12, 13, 14, 15, 18, 20, 21, 24, 26, 28, 30, 35, 36, 39, 40, 42, 45, 47, 52, 53, 56, 60, 63, 65, 70, 72, 78, 84, 90, 91, 94, 104, 105, 106, 117, 120, 126, 130, 140, 141, 156, 159, 168, 180, 182, 188, 195, 210, 212, 234, 235, 252, 260, 265, 273, 280, 282, 312, 315, 318, 329, 360, 364, 371, 376, 390, 420, 423, 424, 455, 468, 470, 477, 504, 520, 530, 546, 564, 585, 611, 630, 636, 658, 689, 705, 728, 742, 780, 795, 819, 840, 846, 910, 936, 940, 954, 987, 1060, 1092, 1113, 1128, 1170, 1222, 1260, 1272, 1316, 1365, 1378, 1410, 1484, 1560, 1590, 1638, 1645, 1692, 1820, 1833, 1855, 1880, 1908, 1974, 2067, 2115, 2120, 2184, 2226, 2340, 2385, 2444, 2491, 2520, 2632, 2730, 2756, 2820, 2961, 2968, 3055, 3180, 3276, 3290, 3339, 3384, 3445, 3640, 3666, 3710, 3816, 3948, 4095, 4134, 4230, 4277, 4452, 4680, 4770, 4823, 4888, 4935, 4982, 5460, 5499, 5512, 5565, 5640, 5922, 6110, 6201, 6360, 6552, 6580, 6678, 6890, 7332, 7420, 7473, 7896, 8190, 8268, 8460, 8554, 8904, 9165, 9540, 9646, 9870, 9964, 10335, 10920, 10998, 11130, 11844, 12220, 12402, 12455, 12831, 13160, 13356, 13780, 14469, 14664, 14805, 14840, 14946, 16380, 16536, 16695, 16920, 17108, 17437, 18330, 19080, 19292, 19740, 19928, 20670, 21385, 21996, 22260, 22419, 23688, 24115, 24440, 24804, 24910, 25662, 26712, 27495, 27560, 28938, 29610, 29892, 31005, 32383, 32760, 33390, 34216, 34874, 36660, 37365, 38493, 38584, 39480, 41340, 42770, 43407, 43992, 44520, 44838, 48230, 49608, 49820, 51324, 52311, 54990, 57876, 59220, 59784, 62010, 64155, 64766, 66780, 69748, 72345, 73320, 74730, 76986, 82680, 85540, 86814, 87185, 89676, 96460, 97149, 99640, 102648, 104622, 109980, 112095, 115752, 118440, 124020, 128310, 129532, 133560, 139496, 144690, 149460, 153972, 156933, 161915, 171080, 173628, 174370, 179352, 192465, 192920, 194298, 209244, 217035, 219960, 224190, 226681, 248040, 256620, 259064, 261555, 289380, 291447, 298920, 307944, 313866, 323830, 347256, 348740, 384930, 388596, 418488, 434070, 448380, 453362, 485745, 513240, 523110, 578760, 582894, 627732, 647660, 680043, 697480, 769860, 777192, 784665, 868140, 896760, 906724, 971490, 1046220, 1133405, 1165788, 1255464, 1295320, 1360086, 1457235, 1539720, 1569330, 1736280, 1813448, 1942980, 2040129, 2092440, 2266810, 2331576, 2720172, 2914470, 3138660, 3400215, 3885960, 4080258, 4533620, 5440344, 5828940, 6277320, 6800430, 8160516, 9067240, 10200645, 11657880, 13600860, 16321032, 20401290, 27201720, 40802580, 81605160]

約数ペア:

[(1, 81605160), (2, 40802580), (3, 27201720), (4, 20401290), (5, 16321032), (6, 13600860), (7, 11657880), (8, 10200645), (9, 9067240), (10, 8160516), (12, 6800430), (13, 6277320), (14, 5828940), (15, 5440344), (18, 4533620), (20, 4080258), (21, 3885960), (24, 3400215), (26, 3138660), (28, 2914470), (30, 2720172), (35, 2331576), (36, 2266810), (39, 2092440), (40, 2040129), (42, 1942980), (45, 1813448), (47, 1736280), (52, 1569330), (53, 1539720), (56, 1457235), (60, 1360086), (63, 1295320), (65, 1255464), (70, 1165788), (72, 1133405), (78, 1046220), (84, 971490), (90, 906724), (91, 896760), (94, 868140), (104, 784665), (105, 777192), (106, 769860), (117, 697480), (120, 680043), (126, 647660), (130, 627732), (140, 582894), (141, 578760), (156, 523110), (159, 513240), (168, 485745), (180, 453362), (182, 448380), (188, 434070), (195, 418488), (210, 388596), (212, 384930), (234, 348740), (235, 347256), (252, 323830), (260, 313866), (265, 307944), (273, 298920), (280, 291447), (282, 289380), (312, 261555), (315, 259064), (318, 256620), (329, 248040), (360, 226681), (364, 224190), (371, 219960), (376, 217035), (390, 209244), (420, 194298), (423, 192920), (424, 192465), (455, 179352), (468, 174370), (470, 173628), (477, 171080), (504, 161915), (520, 156933), (530, 153972), (546, 149460), (564, 144690), (585, 139496), (611, 133560), (630, 129532), (636, 128310), (658, 124020), (689, 118440), (705, 115752), (728, 112095), (742, 109980), (780, 104622), (795, 102648), (819, 99640), (840, 97149), (846, 96460), (910, 89676), (936, 87185), (940, 86814), (954, 85540), (987, 82680), (1060, 76986), (1092, 74730), (1113, 73320), (1128, 72345), (1170, 69748), (1222, 66780), (1260, 64766), (1272, 64155), (1316, 62010), (1365, 59784), (1378, 59220), (1410, 57876), (1484, 54990), (1560, 52311), (1590, 51324), (1638, 49820), (1645, 49608), (1692, 48230), (1820, 44838), (1833, 44520), (1855, 43992), (1880, 43407), (1908, 42770), (1974, 41340), (2067, 39480), (2115, 38584), (2120, 38493), (2184, 37365), (2226, 36660), (2340, 34874), (2385, 34216), (2444, 33390), (2491, 32760), (2520, 32383), (2632, 31005), (2730, 29892), (2756, 29610), (2820, 28938), (2961, 27560), (2968, 27495), (3055, 26712), (3180, 25662), (3276, 24910), (3290, 24804), (3339, 24440), (3384, 24115), (3445, 23688), (3640, 22419), (3666, 22260), (3710, 21996), (3816, 21385), (3948, 20670), (4095, 19928), (4134, 19740), (4230, 19292), (4277, 19080), (4452, 18330), (4680, 17437), (4770, 17108), (4823, 16920), (4888, 16695), (4935, 16536), (4982, 16380), (5460, 14946), (5499, 14840), (5512, 14805), (5565, 14664), (5640, 14469), (5922, 13780), (6110, 13356), (6201, 13160), (6360, 12831), (6552, 12455), (6580, 12402), (6678, 12220), (6890, 11844), (7332, 11130), (7420, 10998), (7473, 10920), (7896, 10335), (8190, 9964), (8268, 9870), (8460, 9646), (8554, 9540), (8904, 9165)]