257575890

素因数分解:

$2^1\times 3^1\times 5^1\times {\mathrm{11}}^1\times {\mathrm{13}}^1\times {\mathrm{60041}}^1$

素因数の和:60075

約数の個数: 64

約数和(自身を含む): 726268032

約数和(自身を除く): 468692142

約数列:

[1, 2, 3, 5, 6, 10, 11, 13, 15, 22, 26, 30, 33, 39, 55, 65, 66, 78, 110, 130, 143, 165, 195, 286, 330, 390, 429, 715, 858, 1430, 2145, 4290, 60041, 120082, 180123, 300205, 360246, 600410, 660451, 780533, 900615, 1320902, 1561066, 1801230, 1981353, 2341599, 3302255, 3902665, 3962706, 4683198, 6604510, 7805330, 8585863, 9906765, 11707995, 17171726, 19813530, 23415990, 25757589, 42929315, 51515178, 85858630, 128787945, 257575890]

約数ペア:

[(1, 257575890), (2, 128787945), (3, 85858630), (5, 51515178), (6, 42929315), (10, 25757589), (11, 23415990), (13, 19813530), (15, 17171726), (22, 11707995), (26, 9906765), (30, 8585863), (33, 7805330), (39, 6604510), (55, 4683198), (65, 3962706), (66, 3902665), (78, 3302255), (110, 2341599), (130, 1981353), (143, 1801230), (165, 1561066), (195, 1320902), (286, 900615), (330, 780533), (390, 660451), (429, 600410), (715, 360246), (858, 300205), (1430, 180123), (2145, 120082), (4290, 60041)]