1804895820

素因数分解:

$2^2\times 3^2\times 5^1\times 7^1\times {\mathrm{13}}^1\times {\mathrm{251}}^1\times {\mathrm{439}}^1$

素因数の和:725

約数の個数: 288

約数和(自身を含む): 6780533760

約数和(自身を除く): 4975637940

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, 52, 60, 63, 65, 70, 78, 84, 90, 91, 105, 117, 126, 130, 140, 156, 180, 182, 195, 210, 234, 251, 252, 260, 273, 315, 364, 390, 420, 439, 455, 468, 502, 546, 585, 630, 753, 780, 819, 878, 910, 1004, 1092, 1170, 1255, 1260, 1317, 1365, 1506, 1638, 1756, 1757, 1820, 2195, 2259, 2340, 2510, 2634, 2730, 3012, 3073, 3263, 3276, 3514, 3765, 3951, 4095, 4390, 4518, 5020, 5268, 5271, 5460, 5707, 6146, 6526, 6585, 7028, 7530, 7902, 8190, 8780, 8785, 9036, 9219, 9789, 10542, 11295, 11414, 12292, 13052, 13170, 15060, 15365, 15804, 15813, 16315, 16380, 17121, 17570, 18438, 19578, 19755, 21084, 22590, 22828, 22841, 26340, 26355, 27657, 28535, 29367, 30730, 31626, 32630, 34242, 35140, 36876, 39156, 39510, 39949, 45180, 45682, 46095, 48945, 51363, 52710, 55314, 57070, 58734, 61460, 63252, 65260, 68484, 68523, 79020, 79065, 79898, 85605, 91364, 92190, 97890, 102726, 105420, 110189, 110628, 114140, 114205, 117468, 119847, 137046, 138285, 146835, 158130, 159796, 171210, 184380, 195780, 199745, 205452, 205569, 220378, 228410, 239694, 256815, 274092, 276570, 293670, 316260, 330567, 342420, 342615, 359541, 399490, 411138, 440756, 456820, 479388, 513630, 550945, 553140, 587340, 599235, 661134, 685230, 719082, 771323, 798980, 822276, 991701, 1027260, 1027845, 1101890, 1198470, 1322268, 1370460, 1432457, 1438164, 1542646, 1652835, 1797705, 1983402, 2055690, 2203780, 2313969, 2396940, 2864914, 3085292, 3305670, 3595410, 3856615, 3966804, 4111380, 4297371, 4627938, 4958505, 5729828, 6611340, 6941907, 7162285, 7190820, 7713230, 8594742, 9255876, 9917010, 10027199, 11569845, 12892113, 13883814, 14324570, 15426460, 17189484, 19834020, 20054398, 21486855, 23139690, 25784226, 27767628, 28649140, 30081597, 34709535, 40108796, 42973710, 46279380, 50135995, 51568452, 60163194, 64460565, 69419070, 85947420, 90244791, 100271990, 120326388, 128921130, 138838140, 150407985, 180489582, 200543980, 257842260, 300815970, 360979164, 451223955, 601631940, 902447910, 1804895820]

約数ペア:

[(1, 1804895820), (2, 902447910), (3, 601631940), (4, 451223955), (5, 360979164), (6, 300815970), (7, 257842260), (9, 200543980), (10, 180489582), (12, 150407985), (13, 138838140), (14, 128921130), (15, 120326388), (18, 100271990), (20, 90244791), (21, 85947420), (26, 69419070), (28, 64460565), (30, 60163194), (35, 51568452), (36, 50135995), (39, 46279380), (42, 42973710), (45, 40108796), (52, 34709535), (60, 30081597), (63, 28649140), (65, 27767628), (70, 25784226), (78, 23139690), (84, 21486855), (90, 20054398), (91, 19834020), (105, 17189484), (117, 15426460), (126, 14324570), (130, 13883814), (140, 12892113), (156, 11569845), (180, 10027199), (182, 9917010), (195, 9255876), (210, 8594742), (234, 7713230), (251, 7190820), (252, 7162285), (260, 6941907), (273, 6611340), (315, 5729828), (364, 4958505), (390, 4627938), (420, 4297371), (439, 4111380), (455, 3966804), (468, 3856615), (502, 3595410), (546, 3305670), (585, 3085292), (630, 2864914), (753, 2396940), (780, 2313969), (819, 2203780), (878, 2055690), (910, 1983402), (1004, 1797705), (1092, 1652835), (1170, 1542646), (1255, 1438164), (1260, 1432457), (1317, 1370460), (1365, 1322268), (1506, 1198470), (1638, 1101890), (1756, 1027845), (1757, 1027260), (1820, 991701), (2195, 822276), (2259, 798980), (2340, 771323), (2510, 719082), (2634, 685230), (2730, 661134), (3012, 599235), (3073, 587340), (3263, 553140), (3276, 550945), (3514, 513630), (3765, 479388), (3951, 456820), (4095, 440756), (4390, 411138), (4518, 399490), (5020, 359541), (5268, 342615), (5271, 342420), (5460, 330567), (5707, 316260), (6146, 293670), (6526, 276570), (6585, 274092), (7028, 256815), (7530, 239694), (7902, 228410), (8190, 220378), (8780, 205569), (8785, 205452), (9036, 199745), (9219, 195780), (9789, 184380), (10542, 171210), (11295, 159796), (11414, 158130), (12292, 146835), (13052, 138285), (13170, 137046), (15060, 119847), (15365, 117468), (15804, 114205), (15813, 114140), (16315, 110628), (16380, 110189), (17121, 105420), (17570, 102726), (18438, 97890), (19578, 92190), (19755, 91364), (21084, 85605), (22590, 79898), (22828, 79065), (22841, 79020), (26340, 68523), (26355, 68484), (27657, 65260), (28535, 63252), (29367, 61460), (30730, 58734), (31626, 57070), (32630, 55314), (34242, 52710), (35140, 51363), (36876, 48945), (39156, 46095), (39510, 45682), (39949, 45180)]