42056820

素因数分解:

$2^2\times 3^4\times 5^1\times {\mathrm{13}}^1\times {\mathrm{1997}}^1$

素因数の和:2031

約数の個数: 120

約数和(自身を含む): 142153704

約数和(自身を除く): 100096884

約数列:

[1, 2, 3, 4, 5, 6, 9, 10, 12, 13, 15, 18, 20, 26, 27, 30, 36, 39, 45, 52, 54, 60, 65, 78, 81, 90, 108, 117, 130, 135, 156, 162, 180, 195, 234, 260, 270, 324, 351, 390, 405, 468, 540, 585, 702, 780, 810, 1053, 1170, 1404, 1620, 1755, 1997, 2106, 2340, 3510, 3994, 4212, 5265, 5991, 7020, 7988, 9985, 10530, 11982, 17973, 19970, 21060, 23964, 25961, 29955, 35946, 39940, 51922, 53919, 59910, 71892, 77883, 89865, 103844, 107838, 119820, 129805, 155766, 161757, 179730, 215676, 233649, 259610, 269595, 311532, 323514, 359460, 389415, 467298, 519220, 539190, 647028, 700947, 778830, 808785, 934596, 1078380, 1168245, 1401894, 1557660, 1617570, 2102841, 2336490, 2803788, 3235140, 3504735, 4205682, 4672980, 7009470, 8411364, 10514205, 14018940, 21028410, 42056820]

約数ペア:

[(1, 42056820), (2, 21028410), (3, 14018940), (4, 10514205), (5, 8411364), (6, 7009470), (9, 4672980), (10, 4205682), (12, 3504735), (13, 3235140), (15, 2803788), (18, 2336490), (20, 2102841), (26, 1617570), (27, 1557660), (30, 1401894), (36, 1168245), (39, 1078380), (45, 934596), (52, 808785), (54, 778830), (60, 700947), (65, 647028), (78, 539190), (81, 519220), (90, 467298), (108, 389415), (117, 359460), (130, 323514), (135, 311532), (156, 269595), (162, 259610), (180, 233649), (195, 215676), (234, 179730), (260, 161757), (270, 155766), (324, 129805), (351, 119820), (390, 107838), (405, 103844), (468, 89865), (540, 77883), (585, 71892), (702, 59910), (780, 53919), (810, 51922), (1053, 39940), (1170, 35946), (1404, 29955), (1620, 25961), (1755, 23964), (1997, 21060), (2106, 19970), (2340, 17973), (3510, 11982), (3994, 10530), (4212, 9985), (5265, 7988), (5991, 7020)]