31139940

素因数分解:

$2^2\times 3^1\times 5^1\times {\mathrm{13}}^2\times {\mathrm{37}}^1\times {\mathrm{83}}^1$

素因数の和:158

約数の個数: 144

約数和(自身を含む): 98134848

約数和(自身を除く): 66994908

約数列:

[1, 2, 3, 4, 5, 6, 10, 12, 13, 15, 20, 26, 30, 37, 39, 52, 60, 65, 74, 78, 83, 111, 130, 148, 156, 166, 169, 185, 195, 222, 249, 260, 332, 338, 370, 390, 415, 444, 481, 498, 507, 555, 676, 740, 780, 830, 845, 962, 996, 1014, 1079, 1110, 1245, 1443, 1660, 1690, 1924, 2028, 2158, 2220, 2405, 2490, 2535, 2886, 3071, 3237, 3380, 4316, 4810, 4980, 5070, 5395, 5772, 6142, 6253, 6474, 7215, 9213, 9620, 10140, 10790, 12284, 12506, 12948, 14027, 14430, 15355, 16185, 18426, 18759, 21580, 25012, 28054, 28860, 30710, 31265, 32370, 36852, 37518, 39923, 42081, 46065, 56108, 61420, 62530, 64740, 70135, 75036, 79846, 84162, 92130, 93795, 119769, 125060, 140270, 159692, 168324, 184260, 187590, 199615, 210405, 239538, 280540, 375180, 399230, 420810, 479076, 518999, 598845, 798460, 841620, 1037998, 1197690, 1556997, 2075996, 2395380, 2594995, 3113994, 5189990, 6227988, 7784985, 10379980, 15569970, 31139940]

約数ペア:

[(1, 31139940), (2, 15569970), (3, 10379980), (4, 7784985), (5, 6227988), (6, 5189990), (10, 3113994), (12, 2594995), (13, 2395380), (15, 2075996), (20, 1556997), (26, 1197690), (30, 1037998), (37, 841620), (39, 798460), (52, 598845), (60, 518999), (65, 479076), (74, 420810), (78, 399230), (83, 375180), (111, 280540), (130, 239538), (148, 210405), (156, 199615), (166, 187590), (169, 184260), (185, 168324), (195, 159692), (222, 140270), (249, 125060), (260, 119769), (332, 93795), (338, 92130), (370, 84162), (390, 79846), (415, 75036), (444, 70135), (481, 64740), (498, 62530), (507, 61420), (555, 56108), (676, 46065), (740, 42081), (780, 39923), (830, 37518), (845, 36852), (962, 32370), (996, 31265), (1014, 30710), (1079, 28860), (1110, 28054), (1245, 25012), (1443, 21580), (1660, 18759), (1690, 18426), (1924, 16185), (2028, 15355), (2158, 14430), (2220, 14027), (2405, 12948), (2490, 12506), (2535, 12284), (2886, 10790), (3071, 10140), (3237, 9620), (3380, 9213), (4316, 7215), (4810, 6474), (4980, 6253), (5070, 6142), (5395, 5772)]