305945360

素因数分解:

$2^4\times 5^1\times 7^1\times {\mathrm{29}}^1\times {\mathrm{18839}}^1$

素因数の和:18888

約数の個数: 80

約数和(自身を含む): 841017600

約数和(自身を除く): 535072240

約数列:

[1, 2, 4, 5, 7, 8, 10, 14, 16, 20, 28, 29, 35, 40, 56, 58, 70, 80, 112, 116, 140, 145, 203, 232, 280, 290, 406, 464, 560, 580, 812, 1015, 1160, 1624, 2030, 2320, 3248, 4060, 8120, 16240, 18839, 37678, 75356, 94195, 131873, 150712, 188390, 263746, 301424, 376780, 527492, 546331, 659365, 753560, 1054984, 1092662, 1318730, 1507120, 2109968, 2185324, 2637460, 2731655, 3824317, 4370648, 5274920, 5463310, 7648634, 8741296, 10549840, 10926620, 15297268, 19121585, 21853240, 30594536, 38243170, 43706480, 61189072, 76486340, 152972680, 305945360]

約数ペア:

[(1, 305945360), (2, 152972680), (4, 76486340), (5, 61189072), (7, 43706480), (8, 38243170), (10, 30594536), (14, 21853240), (16, 19121585), (20, 15297268), (28, 10926620), (29, 10549840), (35, 8741296), (40, 7648634), (56, 5463310), (58, 5274920), (70, 4370648), (80, 3824317), (112, 2731655), (116, 2637460), (140, 2185324), (145, 2109968), (203, 1507120), (232, 1318730), (280, 1092662), (290, 1054984), (406, 753560), (464, 659365), (560, 546331), (580, 527492), (812, 376780), (1015, 301424), (1160, 263746), (1624, 188390), (2030, 150712), (2320, 131873), (3248, 94195), (4060, 75356), (8120, 37678), (16240, 18839)]