31459740

素因数分解:

$2^2\times 3^1\times 5^1\times {\mathrm{13}}^1\times {\mathrm{53}}^1\times {\mathrm{761}}^1$

素因数の和:839

約数の個数: 96

約数和(自身を含む): 96780096

約数和(自身を除く): 65320356

約数列:

[1, 2, 3, 4, 5, 6, 10, 12, 13, 15, 20, 26, 30, 39, 52, 53, 60, 65, 78, 106, 130, 156, 159, 195, 212, 260, 265, 318, 390, 530, 636, 689, 761, 780, 795, 1060, 1378, 1522, 1590, 2067, 2283, 2756, 3044, 3180, 3445, 3805, 4134, 4566, 6890, 7610, 8268, 9132, 9893, 10335, 11415, 13780, 15220, 19786, 20670, 22830, 29679, 39572, 40333, 41340, 45660, 49465, 59358, 80666, 98930, 118716, 120999, 148395, 161332, 197860, 201665, 241998, 296790, 403330, 483996, 524329, 593580, 604995, 806660, 1048658, 1209990, 1572987, 2097316, 2419980, 2621645, 3145974, 5243290, 6291948, 7864935, 10486580, 15729870, 31459740]

約数ペア:

[(1, 31459740), (2, 15729870), (3, 10486580), (4, 7864935), (5, 6291948), (6, 5243290), (10, 3145974), (12, 2621645), (13, 2419980), (15, 2097316), (20, 1572987), (26, 1209990), (30, 1048658), (39, 806660), (52, 604995), (53, 593580), (60, 524329), (65, 483996), (78, 403330), (106, 296790), (130, 241998), (156, 201665), (159, 197860), (195, 161332), (212, 148395), (260, 120999), (265, 118716), (318, 98930), (390, 80666), (530, 59358), (636, 49465), (689, 45660), (761, 41340), (780, 40333), (795, 39572), (1060, 29679), (1378, 22830), (1522, 20670), (1590, 19786), (2067, 15220), (2283, 13780), (2756, 11415), (3044, 10335), (3180, 9893), (3445, 9132), (3805, 8268), (4134, 7610), (4566, 6890)]