158217280

素因数分解:

$2^6\times 5^1\times {\mathrm{13}}^1\times {\mathrm{73}}^1\times {\mathrm{521}}^1$

素因数の和:624

約数の個数: 112

約数和(自身を含む): 412083504

約数和(自身を除く): 253866224

約数列:

[1, 2, 4, 5, 8, 10, 13, 16, 20, 26, 32, 40, 52, 64, 65, 73, 80, 104, 130, 146, 160, 208, 260, 292, 320, 365, 416, 520, 521, 584, 730, 832, 949, 1040, 1042, 1168, 1460, 1898, 2080, 2084, 2336, 2605, 2920, 3796, 4160, 4168, 4672, 4745, 5210, 5840, 6773, 7592, 8336, 9490, 10420, 11680, 13546, 15184, 16672, 18980, 20840, 23360, 27092, 30368, 33344, 33865, 37960, 38033, 41680, 54184, 60736, 67730, 75920, 76066, 83360, 108368, 135460, 151840, 152132, 166720, 190165, 216736, 270920, 303680, 304264, 380330, 433472, 494429, 541840, 608528, 760660, 988858, 1083680, 1217056, 1521320, 1977716, 2167360, 2434112, 2472145, 3042640, 3955432, 4944290, 6085280, 7910864, 9888580, 12170560, 15821728, 19777160, 31643456, 39554320, 79108640, 158217280]

約数ペア:

[(1, 158217280), (2, 79108640), (4, 39554320), (5, 31643456), (8, 19777160), (10, 15821728), (13, 12170560), (16, 9888580), (20, 7910864), (26, 6085280), (32, 4944290), (40, 3955432), (52, 3042640), (64, 2472145), (65, 2434112), (73, 2167360), (80, 1977716), (104, 1521320), (130, 1217056), (146, 1083680), (160, 988858), (208, 760660), (260, 608528), (292, 541840), (320, 494429), (365, 433472), (416, 380330), (520, 304264), (521, 303680), (584, 270920), (730, 216736), (832, 190165), (949, 166720), (1040, 152132), (1042, 151840), (1168, 135460), (1460, 108368), (1898, 83360), (2080, 76066), (2084, 75920), (2336, 67730), (2605, 60736), (2920, 54184), (3796, 41680), (4160, 38033), (4168, 37960), (4672, 33865), (4745, 33344), (5210, 30368), (5840, 27092), (6773, 23360), (7592, 20840), (8336, 18980), (9490, 16672), (10420, 15184), (11680, 13546)]