31940370

素因数分解:

$2^1\times 3^2\times 5^1\times 7^1\times {\mathrm{11}}^2\times {\mathrm{419}}^1$

素因数の和:461

約数の個数: 144

約数和(自身を含む): 104569920

約数和(自身を除く): 72629550

約数列:

[1, 2, 3, 5, 6, 7, 9, 10, 11, 14, 15, 18, 21, 22, 30, 33, 35, 42, 45, 55, 63, 66, 70, 77, 90, 99, 105, 110, 121, 126, 154, 165, 198, 210, 231, 242, 315, 330, 363, 385, 419, 462, 495, 605, 630, 693, 726, 770, 838, 847, 990, 1089, 1155, 1210, 1257, 1386, 1694, 1815, 2095, 2178, 2310, 2514, 2541, 2933, 3465, 3630, 3771, 4190, 4235, 4609, 5082, 5445, 5866, 6285, 6930, 7542, 7623, 8470, 8799, 9218, 10890, 12570, 12705, 13827, 14665, 15246, 17598, 18855, 23045, 25410, 26397, 27654, 29330, 32263, 37710, 38115, 41481, 43995, 46090, 50699, 52794, 64526, 69135, 76230, 82962, 87990, 96789, 101398, 131985, 138270, 152097, 161315, 193578, 207405, 253495, 263970, 290367, 304194, 322630, 354893, 414810, 456291, 483945, 506990, 580734, 709786, 760485, 912582, 967890, 1064679, 1451835, 1520970, 1774465, 2129358, 2281455, 2903670, 3194037, 3548930, 4562910, 5323395, 6388074, 10646790, 15970185, 31940370]

約数ペア:

[(1, 31940370), (2, 15970185), (3, 10646790), (5, 6388074), (6, 5323395), (7, 4562910), (9, 3548930), (10, 3194037), (11, 2903670), (14, 2281455), (15, 2129358), (18, 1774465), (21, 1520970), (22, 1451835), (30, 1064679), (33, 967890), (35, 912582), (42, 760485), (45, 709786), (55, 580734), (63, 506990), (66, 483945), (70, 456291), (77, 414810), (90, 354893), (99, 322630), (105, 304194), (110, 290367), (121, 263970), (126, 253495), (154, 207405), (165, 193578), (198, 161315), (210, 152097), (231, 138270), (242, 131985), (315, 101398), (330, 96789), (363, 87990), (385, 82962), (419, 76230), (462, 69135), (495, 64526), (605, 52794), (630, 50699), (693, 46090), (726, 43995), (770, 41481), (838, 38115), (847, 37710), (990, 32263), (1089, 29330), (1155, 27654), (1210, 26397), (1257, 25410), (1386, 23045), (1694, 18855), (1815, 17598), (2095, 15246), (2178, 14665), (2310, 13827), (2514, 12705), (2541, 12570), (2933, 10890), (3465, 9218), (3630, 8799), (3771, 8470), (4190, 7623), (4235, 7542), (4609, 6930), (5082, 6285), (5445, 5866)]