68517540

素因数分解:

$2^2\times 3^2\times 5^1\times 7^1\times {\mathrm{13}}^1\times {\mathrm{47}}^1\times {\mathrm{89}}^1$

素因数の和:171

約数の個数: 288

約数和(自身を含む): 264176640

約数和(自身を除く): 195659100

約数列:

[1, 2, 3, 4, 5, 6, 7, 9, 10, 12, 13, 14, 15, 18, 20, 21, 26, 28, 30, 35, 36, 39, 42, 45, 47, 52, 60, 63, 65, 70, 78, 84, 89, 90, 91, 94, 105, 117, 126, 130, 140, 141, 156, 178, 180, 182, 188, 195, 210, 234, 235, 252, 260, 267, 273, 282, 315, 329, 356, 364, 390, 420, 423, 445, 455, 468, 470, 534, 546, 564, 585, 611, 623, 630, 658, 705, 780, 801, 819, 846, 890, 910, 940, 987, 1068, 1092, 1157, 1170, 1222, 1246, 1260, 1316, 1335, 1365, 1410, 1602, 1638, 1645, 1692, 1780, 1820, 1833, 1869, 1974, 2115, 2314, 2340, 2444, 2492, 2670, 2730, 2820, 2961, 3055, 3115, 3204, 3276, 3290, 3471, 3666, 3738, 3948, 4005, 4095, 4183, 4230, 4277, 4628, 4935, 5340, 5460, 5499, 5607, 5785, 5922, 6110, 6230, 6580, 6942, 7332, 7476, 8010, 8099, 8190, 8366, 8460, 8554, 9165, 9345, 9870, 10413, 10998, 11214, 11570, 11844, 12220, 12460, 12549, 12831, 13884, 14805, 16020, 16198, 16380, 16732, 17108, 17355, 18330, 18690, 19740, 20826, 20915, 21385, 21996, 22428, 23140, 24297, 25098, 25662, 27495, 28035, 29281, 29610, 32396, 34710, 36660, 37380, 37647, 38493, 40495, 41652, 41830, 42770, 48594, 50196, 51324, 52065, 54379, 54990, 56070, 58562, 59220, 62745, 64155, 69420, 72891, 75294, 76986, 80990, 83660, 85540, 87843, 97188, 104130, 108758, 109980, 112140, 117124, 121485, 125490, 128310, 145782, 146405, 150588, 153972, 161980, 163137, 175686, 188235, 192465, 208260, 217516, 242970, 250980, 256620, 263529, 271895, 291564, 292810, 326274, 351372, 364455, 376470, 380653, 384930, 439215, 485940, 489411, 527058, 543790, 585620, 652548, 728910, 752940, 761306, 769860, 815685, 878430, 978822, 1054116, 1087580, 1141959, 1317645, 1457820, 1522612, 1631370, 1756860, 1903265, 1957644, 2283918, 2447055, 2635290, 3262740, 3425877, 3806530, 4567836, 4894110, 5270580, 5709795, 6851754, 7613060, 9788220, 11419590, 13703508, 17129385, 22839180, 34258770, 68517540]

約数ペア:

[(1, 68517540), (2, 34258770), (3, 22839180), (4, 17129385), (5, 13703508), (6, 11419590), (7, 9788220), (9, 7613060), (10, 6851754), (12, 5709795), (13, 5270580), (14, 4894110), (15, 4567836), (18, 3806530), (20, 3425877), (21, 3262740), (26, 2635290), (28, 2447055), (30, 2283918), (35, 1957644), (36, 1903265), (39, 1756860), (42, 1631370), (45, 1522612), (47, 1457820), (52, 1317645), (60, 1141959), (63, 1087580), (65, 1054116), (70, 978822), (78, 878430), (84, 815685), (89, 769860), (90, 761306), (91, 752940), (94, 728910), (105, 652548), (117, 585620), (126, 543790), (130, 527058), (140, 489411), (141, 485940), (156, 439215), (178, 384930), (180, 380653), (182, 376470), (188, 364455), (195, 351372), (210, 326274), (234, 292810), (235, 291564), (252, 271895), (260, 263529), (267, 256620), (273, 250980), (282, 242970), (315, 217516), (329, 208260), (356, 192465), (364, 188235), (390, 175686), (420, 163137), (423, 161980), (445, 153972), (455, 150588), (468, 146405), (470, 145782), (534, 128310), (546, 125490), (564, 121485), (585, 117124), (611, 112140), (623, 109980), (630, 108758), (658, 104130), (705, 97188), (780, 87843), (801, 85540), (819, 83660), (846, 80990), (890, 76986), (910, 75294), (940, 72891), (987, 69420), (1068, 64155), (1092, 62745), (1157, 59220), (1170, 58562), (1222, 56070), (1246, 54990), (1260, 54379), (1316, 52065), (1335, 51324), (1365, 50196), (1410, 48594), (1602, 42770), (1638, 41830), (1645, 41652), (1692, 40495), (1780, 38493), (1820, 37647), (1833, 37380), (1869, 36660), (1974, 34710), (2115, 32396), (2314, 29610), (2340, 29281), (2444, 28035), (2492, 27495), (2670, 25662), (2730, 25098), (2820, 24297), (2961, 23140), (3055, 22428), (3115, 21996), (3204, 21385), (3276, 20915), (3290, 20826), (3471, 19740), (3666, 18690), (3738, 18330), (3948, 17355), (4005, 17108), (4095, 16732), (4183, 16380), (4230, 16198), (4277, 16020), (4628, 14805), (4935, 13884), (5340, 12831), (5460, 12549), (5499, 12460), (5607, 12220), (5785, 11844), (5922, 11570), (6110, 11214), (6230, 10998), (6580, 10413), (6942, 9870), (7332, 9345), (7476, 9165), (8010, 8554), (8099, 8460), (8190, 8366)]