128597920

素因数分解:

$2^5\times 5^1\times {\mathrm{11}}^1\times {\mathrm{31}}^1\times {\mathrm{2357}}^1$

素因数の和:2414

約数の個数: 96

約数和(自身を含む): 342268416

約数和(自身を除く): 213670496

約数列:

[1, 2, 4, 5, 8, 10, 11, 16, 20, 22, 31, 32, 40, 44, 55, 62, 80, 88, 110, 124, 155, 160, 176, 220, 248, 310, 341, 352, 440, 496, 620, 682, 880, 992, 1240, 1364, 1705, 1760, 2357, 2480, 2728, 3410, 4714, 4960, 5456, 6820, 9428, 10912, 11785, 13640, 18856, 23570, 25927, 27280, 37712, 47140, 51854, 54560, 73067, 75424, 94280, 103708, 129635, 146134, 188560, 207416, 259270, 292268, 365335, 377120, 414832, 518540, 584536, 730670, 803737, 829664, 1037080, 1169072, 1461340, 1607474, 2074160, 2338144, 2922680, 3214948, 4018685, 4148320, 5845360, 6429896, 8037370, 11690720, 12859792, 16074740, 25719584, 32149480, 64298960, 128597920]

約数ペア:

[(1, 128597920), (2, 64298960), (4, 32149480), (5, 25719584), (8, 16074740), (10, 12859792), (11, 11690720), (16, 8037370), (20, 6429896), (22, 5845360), (31, 4148320), (32, 4018685), (40, 3214948), (44, 2922680), (55, 2338144), (62, 2074160), (80, 1607474), (88, 1461340), (110, 1169072), (124, 1037080), (155, 829664), (160, 803737), (176, 730670), (220, 584536), (248, 518540), (310, 414832), (341, 377120), (352, 365335), (440, 292268), (496, 259270), (620, 207416), (682, 188560), (880, 146134), (992, 129635), (1240, 103708), (1364, 94280), (1705, 75424), (1760, 73067), (2357, 54560), (2480, 51854), (2728, 47140), (3410, 37712), (4714, 27280), (4960, 25927), (5456, 23570), (6820, 18856), (9428, 13640), (10912, 11785)]