91720980

素因数分解:

$2^2\times 3^2\times 5^1\times {\mathrm{13}}^1\times {\mathrm{19}}^1\times {\mathrm{2063}}^1$

素因数の和:2110

約数の個数: 144

約数和(自身を含む): 315544320

約数和(自身を除く): 223823340

約数列:

[1, 2, 3, 4, 5, 6, 9, 10, 12, 13, 15, 18, 19, 20, 26, 30, 36, 38, 39, 45, 52, 57, 60, 65, 76, 78, 90, 95, 114, 117, 130, 156, 171, 180, 190, 195, 228, 234, 247, 260, 285, 342, 380, 390, 468, 494, 570, 585, 684, 741, 780, 855, 988, 1140, 1170, 1235, 1482, 1710, 2063, 2223, 2340, 2470, 2964, 3420, 3705, 4126, 4446, 4940, 6189, 7410, 8252, 8892, 10315, 11115, 12378, 14820, 18567, 20630, 22230, 24756, 26819, 30945, 37134, 39197, 41260, 44460, 53638, 61890, 74268, 78394, 80457, 92835, 107276, 117591, 123780, 134095, 156788, 160914, 185670, 195985, 235182, 241371, 268190, 321828, 352773, 371340, 391970, 402285, 470364, 482742, 509561, 536380, 587955, 705546, 783940, 804570, 965484, 1019122, 1175910, 1206855, 1411092, 1528683, 1609140, 1763865, 2038244, 2351820, 2413710, 2547805, 3057366, 3527730, 4586049, 4827420, 5095610, 6114732, 7055460, 7643415, 9172098, 10191220, 15286830, 18344196, 22930245, 30573660, 45860490, 91720980]

約数ペア:

[(1, 91720980), (2, 45860490), (3, 30573660), (4, 22930245), (5, 18344196), (6, 15286830), (9, 10191220), (10, 9172098), (12, 7643415), (13, 7055460), (15, 6114732), (18, 5095610), (19, 4827420), (20, 4586049), (26, 3527730), (30, 3057366), (36, 2547805), (38, 2413710), (39, 2351820), (45, 2038244), (52, 1763865), (57, 1609140), (60, 1528683), (65, 1411092), (76, 1206855), (78, 1175910), (90, 1019122), (95, 965484), (114, 804570), (117, 783940), (130, 705546), (156, 587955), (171, 536380), (180, 509561), (190, 482742), (195, 470364), (228, 402285), (234, 391970), (247, 371340), (260, 352773), (285, 321828), (342, 268190), (380, 241371), (390, 235182), (468, 195985), (494, 185670), (570, 160914), (585, 156788), (684, 134095), (741, 123780), (780, 117591), (855, 107276), (988, 92835), (1140, 80457), (1170, 78394), (1235, 74268), (1482, 61890), (1710, 53638), (2063, 44460), (2223, 41260), (2340, 39197), (2470, 37134), (2964, 30945), (3420, 26819), (3705, 24756), (4126, 22230), (4446, 20630), (4940, 18567), (6189, 14820), (7410, 12378), (8252, 11115), (8892, 10315)]