256829730

素因数分解:

$2^1\times 3^1\times 5^1\times {\mathrm{23}}^1\times {\mathrm{31}}^1\times {\mathrm{12007}}^1$

素因数の和:12071

約数の個数: 64

約数和(自身を含む): 663994368

約数和(自身を除く): 407164638

約数列:

[1, 2, 3, 5, 6, 10, 15, 23, 30, 31, 46, 62, 69, 93, 115, 138, 155, 186, 230, 310, 345, 465, 690, 713, 930, 1426, 2139, 3565, 4278, 7130, 10695, 12007, 21390, 24014, 36021, 60035, 72042, 120070, 180105, 276161, 360210, 372217, 552322, 744434, 828483, 1116651, 1380805, 1656966, 1861085, 2233302, 2761610, 3722170, 4142415, 5583255, 8284830, 8560991, 11166510, 17121982, 25682973, 42804955, 51365946, 85609910, 128414865, 256829730]

約数ペア:

[(1, 256829730), (2, 128414865), (3, 85609910), (5, 51365946), (6, 42804955), (10, 25682973), (15, 17121982), (23, 11166510), (30, 8560991), (31, 8284830), (46, 5583255), (62, 4142415), (69, 3722170), (93, 2761610), (115, 2233302), (138, 1861085), (155, 1656966), (186, 1380805), (230, 1116651), (310, 828483), (345, 744434), (465, 552322), (690, 372217), (713, 360210), (930, 276161), (1426, 180105), (2139, 120070), (3565, 72042), (4278, 60035), (7130, 36021), (10695, 24014), (12007, 21390)]