393278640

素因数分解:

$2^4\times 3^1\times 5^1\times {\mathrm{983}}^1\times {\mathrm{1667}}^1$

素因数の和:2666

約数の個数: 80

約数和(自身を含む): 1221136128

約数和(自身を除く): 827857488

約数列:

[1, 2, 3, 4, 5, 6, 8, 10, 12, 15, 16, 20, 24, 30, 40, 48, 60, 80, 120, 240, 983, 1667, 1966, 2949, 3334, 3932, 4915, 5001, 5898, 6668, 7864, 8335, 9830, 10002, 11796, 13336, 14745, 15728, 16670, 19660, 20004, 23592, 25005, 26672, 29490, 33340, 39320, 40008, 47184, 50010, 58980, 66680, 78640, 80016, 100020, 117960, 133360, 200040, 235920, 400080, 1638661, 3277322, 4915983, 6554644, 8193305, 9831966, 13109288, 16386610, 19663932, 24579915, 26218576, 32773220, 39327864, 49159830, 65546440, 78655728, 98319660, 131092880, 196639320, 393278640]

約数ペア:

[(1, 393278640), (2, 196639320), (3, 131092880), (4, 98319660), (5, 78655728), (6, 65546440), (8, 49159830), (10, 39327864), (12, 32773220), (15, 26218576), (16, 24579915), (20, 19663932), (24, 16386610), (30, 13109288), (40, 9831966), (48, 8193305), (60, 6554644), (80, 4915983), (120, 3277322), (240, 1638661), (983, 400080), (1667, 235920), (1966, 200040), (2949, 133360), (3334, 117960), (3932, 100020), (4915, 80016), (5001, 78640), (5898, 66680), (6668, 58980), (7864, 50010), (8335, 47184), (9830, 40008), (10002, 39320), (11796, 33340), (13336, 29490), (14745, 26672), (15728, 25005), (16670, 23592), (19660, 20004)]