128168820

素因数分解:

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

素因数の和:54801

約数の個数: 72

約数和(自身を含む): 418692456

約数和(自身を除く): 290523636

約数列:

[1, 2, 3, 4, 5, 6, 9, 10, 12, 13, 15, 18, 20, 26, 30, 36, 39, 45, 52, 60, 65, 78, 90, 117, 130, 156, 180, 195, 234, 260, 390, 468, 585, 780, 1170, 2340, 54773, 109546, 164319, 219092, 273865, 328638, 492957, 547730, 657276, 712049, 821595, 985914, 1095460, 1424098, 1643190, 1971828, 2136147, 2464785, 2848196, 3286380, 3560245, 4272294, 4929570, 6408441, 7120490, 8544588, 9859140, 10680735, 12816882, 14240980, 21361470, 25633764, 32042205, 42722940, 64084410, 128168820]

約数ペア:

[(1, 128168820), (2, 64084410), (3, 42722940), (4, 32042205), (5, 25633764), (6, 21361470), (9, 14240980), (10, 12816882), (12, 10680735), (13, 9859140), (15, 8544588), (18, 7120490), (20, 6408441), (26, 4929570), (30, 4272294), (36, 3560245), (39, 3286380), (45, 2848196), (52, 2464785), (60, 2136147), (65, 1971828), (78, 1643190), (90, 1424098), (117, 1095460), (130, 985914), (156, 821595), (180, 712049), (195, 657276), (234, 547730), (260, 492957), (390, 328638), (468, 273865), (585, 219092), (780, 164319), (1170, 109546), (2340, 54773)]