61295720

素因数分解:

$2^3\times 5^1\times {\mathrm{71}}^1\times {\mathrm{113}}^1\times {\mathrm{191}}^1$

素因数の和:386

約数の個数: 64

約数和(自身を含む): 141834240

約数和(自身を除く): 80538520

約数列:

[1, 2, 4, 5, 8, 10, 20, 40, 71, 113, 142, 191, 226, 284, 355, 382, 452, 565, 568, 710, 764, 904, 955, 1130, 1420, 1528, 1910, 2260, 2840, 3820, 4520, 7640, 8023, 13561, 16046, 21583, 27122, 32092, 40115, 43166, 54244, 64184, 67805, 80230, 86332, 107915, 108488, 135610, 160460, 172664, 215830, 271220, 320920, 431660, 542440, 863320, 1532393, 3064786, 6129572, 7661965, 12259144, 15323930, 30647860, 61295720]

約数ペア:

[(1, 61295720), (2, 30647860), (4, 15323930), (5, 12259144), (8, 7661965), (10, 6129572), (20, 3064786), (40, 1532393), (71, 863320), (113, 542440), (142, 431660), (191, 320920), (226, 271220), (284, 215830), (355, 172664), (382, 160460), (452, 135610), (565, 108488), (568, 107915), (710, 86332), (764, 80230), (904, 67805), (955, 64184), (1130, 54244), (1420, 43166), (1528, 40115), (1910, 32092), (2260, 27122), (2840, 21583), (3820, 16046), (4520, 13561), (7640, 8023)]