122745420

素因数分解:

$2^2\times 3^2\times 5^1\times 7^1\times {\mathrm{61}}^1\times {\mathrm{1597}}^1$

素因数の和:1680

約数の個数: 144

約数和(自身を含む): 432763968

約数和(自身を除く): 310018548

約数列:

[1, 2, 3, 4, 5, 6, 7, 9, 10, 12, 14, 15, 18, 20, 21, 28, 30, 35, 36, 42, 45, 60, 61, 63, 70, 84, 90, 105, 122, 126, 140, 180, 183, 210, 244, 252, 305, 315, 366, 420, 427, 549, 610, 630, 732, 854, 915, 1098, 1220, 1260, 1281, 1597, 1708, 1830, 2135, 2196, 2562, 2745, 3194, 3660, 3843, 4270, 4791, 5124, 5490, 6388, 6405, 7686, 7985, 8540, 9582, 10980, 11179, 12810, 14373, 15372, 15970, 19164, 19215, 22358, 23955, 25620, 28746, 31940, 33537, 38430, 44716, 47910, 55895, 57492, 67074, 71865, 76860, 95820, 97417, 100611, 111790, 134148, 143730, 167685, 194834, 201222, 223580, 287460, 292251, 335370, 389668, 402444, 487085, 503055, 584502, 670740, 681919, 876753, 974170, 1006110, 1169004, 1363838, 1461255, 1753506, 1948340, 2012220, 2045757, 2727676, 2922510, 3409595, 3507012, 4091514, 4383765, 5845020, 6137271, 6819190, 8183028, 8767530, 10228785, 12274542, 13638380, 17535060, 20457570, 24549084, 30686355, 40915140, 61372710, 122745420]

約数ペア:

[(1, 122745420), (2, 61372710), (3, 40915140), (4, 30686355), (5, 24549084), (6, 20457570), (7, 17535060), (9, 13638380), (10, 12274542), (12, 10228785), (14, 8767530), (15, 8183028), (18, 6819190), (20, 6137271), (21, 5845020), (28, 4383765), (30, 4091514), (35, 3507012), (36, 3409595), (42, 2922510), (45, 2727676), (60, 2045757), (61, 2012220), (63, 1948340), (70, 1753506), (84, 1461255), (90, 1363838), (105, 1169004), (122, 1006110), (126, 974170), (140, 876753), (180, 681919), (183, 670740), (210, 584502), (244, 503055), (252, 487085), (305, 402444), (315, 389668), (366, 335370), (420, 292251), (427, 287460), (549, 223580), (610, 201222), (630, 194834), (732, 167685), (854, 143730), (915, 134148), (1098, 111790), (1220, 100611), (1260, 97417), (1281, 95820), (1597, 76860), (1708, 71865), (1830, 67074), (2135, 57492), (2196, 55895), (2562, 47910), (2745, 44716), (3194, 38430), (3660, 33537), (3843, 31940), (4270, 28746), (4791, 25620), (5124, 23955), (5490, 22358), (6388, 19215), (6405, 19164), (7686, 15970), (7985, 15372), (8540, 14373), (9582, 12810), (10980, 11179)]