256337640

素因数分解:

$2^3\times 3^2\times 5^1\times {\mathrm{13}}^1\times {\mathrm{54773}}^1$

素因数の和:54803

約数の個数: 96

約数和(自身を含む): 897198120

約数和(自身を除く): 640860480

約数列:

[1, 2, 3, 4, 5, 6, 8, 9, 10, 12, 13, 15, 18, 20, 24, 26, 30, 36, 39, 40, 45, 52, 60, 65, 72, 78, 90, 104, 117, 120, 130, 156, 180, 195, 234, 260, 312, 360, 390, 468, 520, 585, 780, 936, 1170, 1560, 2340, 4680, 54773, 109546, 164319, 219092, 273865, 328638, 438184, 492957, 547730, 657276, 712049, 821595, 985914, 1095460, 1314552, 1424098, 1643190, 1971828, 2136147, 2190920, 2464785, 2848196, 3286380, 3560245, 3943656, 4272294, 4929570, 5696392, 6408441, 6572760, 7120490, 8544588, 9859140, 10680735, 12816882, 14240980, 17089176, 19718280, 21361470, 25633764, 28481960, 32042205, 42722940, 51267528, 64084410, 85445880, 128168820, 256337640]

約数ペア:

[(1, 256337640), (2, 128168820), (3, 85445880), (4, 64084410), (5, 51267528), (6, 42722940), (8, 32042205), (9, 28481960), (10, 25633764), (12, 21361470), (13, 19718280), (15, 17089176), (18, 14240980), (20, 12816882), (24, 10680735), (26, 9859140), (30, 8544588), (36, 7120490), (39, 6572760), (40, 6408441), (45, 5696392), (52, 4929570), (60, 4272294), (65, 3943656), (72, 3560245), (78, 3286380), (90, 2848196), (104, 2464785), (117, 2190920), (120, 2136147), (130, 1971828), (156, 1643190), (180, 1424098), (195, 1314552), (234, 1095460), (260, 985914), (312, 821595), (360, 712049), (390, 657276), (468, 547730), (520, 492957), (585, 438184), (780, 328638), (936, 273865), (1170, 219092), (1560, 164319), (2340, 109546), (4680, 54773)]