258490960

素因数分解:

$2^4\times 5^1\times 7^1\times {\mathrm{13}}^1\times {\mathrm{35507}}^1$

素因数の和:35540

約数の個数: 80

約数和(自身を含む): 739702656

約数和(自身を除く): 481211696

約数列:

[1, 2, 4, 5, 7, 8, 10, 13, 14, 16, 20, 26, 28, 35, 40, 52, 56, 65, 70, 80, 91, 104, 112, 130, 140, 182, 208, 260, 280, 364, 455, 520, 560, 728, 910, 1040, 1456, 1820, 3640, 7280, 35507, 71014, 142028, 177535, 248549, 284056, 355070, 461591, 497098, 568112, 710140, 923182, 994196, 1242745, 1420280, 1846364, 1988392, 2307955, 2485490, 2840560, 3231137, 3692728, 3976784, 4615910, 4970980, 6462274, 7385456, 9231820, 9941960, 12924548, 16155685, 18463640, 19883920, 25849096, 32311370, 36927280, 51698192, 64622740, 129245480, 258490960]

約数ペア:

[(1, 258490960), (2, 129245480), (4, 64622740), (5, 51698192), (7, 36927280), (8, 32311370), (10, 25849096), (13, 19883920), (14, 18463640), (16, 16155685), (20, 12924548), (26, 9941960), (28, 9231820), (35, 7385456), (40, 6462274), (52, 4970980), (56, 4615910), (65, 3976784), (70, 3692728), (80, 3231137), (91, 2840560), (104, 2485490), (112, 2307955), (130, 1988392), (140, 1846364), (182, 1420280), (208, 1242745), (260, 994196), (280, 923182), (364, 710140), (455, 568112), (520, 497098), (560, 461591), (728, 355070), (910, 284056), (1040, 248549), (1456, 177535), (1820, 142028), (3640, 71014), (7280, 35507)]