57132920

素因数分解:

$2^3\times 5^1\times {\mathrm{13}}^1\times {\mathrm{17}}^1\times {\mathrm{23}}^1\times {\mathrm{281}}^1$

素因数の和:345

約数の個数: 128

約数和(自身を含む): 153498240

約数和(自身を除く): 96365320

約数列:

[1, 2, 4, 5, 8, 10, 13, 17, 20, 23, 26, 34, 40, 46, 52, 65, 68, 85, 92, 104, 115, 130, 136, 170, 184, 221, 230, 260, 281, 299, 340, 391, 442, 460, 520, 562, 598, 680, 782, 884, 920, 1105, 1124, 1196, 1405, 1495, 1564, 1768, 1955, 2210, 2248, 2392, 2810, 2990, 3128, 3653, 3910, 4420, 4777, 5083, 5620, 5980, 6463, 7306, 7820, 8840, 9554, 10166, 11240, 11960, 12926, 14612, 15640, 18265, 19108, 20332, 23885, 25415, 25852, 29224, 32315, 36530, 38216, 40664, 47770, 50830, 51704, 62101, 64630, 73060, 84019, 95540, 101660, 109871, 124202, 129260, 146120, 168038, 191080, 203320, 219742, 248404, 258520, 310505, 336076, 420095, 439484, 496808, 549355, 621010, 672152, 840190, 878968, 1098710, 1242020, 1428323, 1680380, 2197420, 2484040, 2856646, 3360760, 4394840, 5713292, 7141615, 11426584, 14283230, 28566460, 57132920]

約数ペア:

[(1, 57132920), (2, 28566460), (4, 14283230), (5, 11426584), (8, 7141615), (10, 5713292), (13, 4394840), (17, 3360760), (20, 2856646), (23, 2484040), (26, 2197420), (34, 1680380), (40, 1428323), (46, 1242020), (52, 1098710), (65, 878968), (68, 840190), (85, 672152), (92, 621010), (104, 549355), (115, 496808), (130, 439484), (136, 420095), (170, 336076), (184, 310505), (221, 258520), (230, 248404), (260, 219742), (281, 203320), (299, 191080), (340, 168038), (391, 146120), (442, 129260), (460, 124202), (520, 109871), (562, 101660), (598, 95540), (680, 84019), (782, 73060), (884, 64630), (920, 62101), (1105, 51704), (1124, 50830), (1196, 47770), (1405, 40664), (1495, 38216), (1564, 36530), (1768, 32315), (1955, 29224), (2210, 25852), (2248, 25415), (2392, 23885), (2810, 20332), (2990, 19108), (3128, 18265), (3653, 15640), (3910, 14612), (4420, 12926), (4777, 11960), (5083, 11240), (5620, 10166), (5980, 9554), (6463, 8840), (7306, 7820)]