31616260

素因数分解:

$2^2\times 5^1\times {\mathrm{13}}^1\times {\mathrm{17}}^1\times {\mathrm{23}}^1\times {\mathrm{311}}^1$

素因数の和:373

約数の個数: 96

約数和(自身を含む): 79252992

約数和(自身を除く): 47636732

約数列:

[1, 2, 4, 5, 10, 13, 17, 20, 23, 26, 34, 46, 52, 65, 68, 85, 92, 115, 130, 170, 221, 230, 260, 299, 311, 340, 391, 442, 460, 598, 622, 782, 884, 1105, 1196, 1244, 1495, 1555, 1564, 1955, 2210, 2990, 3110, 3910, 4043, 4420, 5083, 5287, 5980, 6220, 7153, 7820, 8086, 10166, 10574, 14306, 16172, 20215, 20332, 21148, 25415, 26435, 28612, 35765, 40430, 50830, 52870, 68731, 71530, 80860, 92989, 101660, 105740, 121601, 137462, 143060, 185978, 243202, 274924, 343655, 371956, 464945, 486404, 608005, 687310, 929890, 1216010, 1374620, 1580813, 1859780, 2432020, 3161626, 6323252, 7904065, 15808130, 31616260]

約数ペア:

[(1, 31616260), (2, 15808130), (4, 7904065), (5, 6323252), (10, 3161626), (13, 2432020), (17, 1859780), (20, 1580813), (23, 1374620), (26, 1216010), (34, 929890), (46, 687310), (52, 608005), (65, 486404), (68, 464945), (85, 371956), (92, 343655), (115, 274924), (130, 243202), (170, 185978), (221, 143060), (230, 137462), (260, 121601), (299, 105740), (311, 101660), (340, 92989), (391, 80860), (442, 71530), (460, 68731), (598, 52870), (622, 50830), (782, 40430), (884, 35765), (1105, 28612), (1196, 26435), (1244, 25415), (1495, 21148), (1555, 20332), (1564, 20215), (1955, 16172), (2210, 14306), (2990, 10574), (3110, 10166), (3910, 8086), (4043, 7820), (4420, 7153), (5083, 6220), (5287, 5980)]