204275120

素因数分解:

$2^4\times 5^1\times 7^2\times {\mathrm{31}}^1\times {\mathrm{41}}^2$

素因数の和:140

約数の個数: 180

約数和(自身を含む): 584551872

約数和(自身を除く): 380276752

約数列:

[1, 2, 4, 5, 7, 8, 10, 14, 16, 20, 28, 31, 35, 40, 41, 49, 56, 62, 70, 80, 82, 98, 112, 124, 140, 155, 164, 196, 205, 217, 245, 248, 280, 287, 310, 328, 392, 410, 434, 490, 496, 560, 574, 620, 656, 784, 820, 868, 980, 1085, 1148, 1240, 1271, 1435, 1519, 1640, 1681, 1736, 1960, 2009, 2170, 2296, 2480, 2542, 2870, 3038, 3280, 3362, 3472, 3920, 4018, 4340, 4592, 5084, 5740, 6076, 6355, 6724, 7595, 8036, 8405, 8680, 8897, 10045, 10168, 11480, 11767, 12152, 12710, 13448, 15190, 16072, 16810, 17360, 17794, 20090, 20336, 22960, 23534, 24304, 25420, 26896, 30380, 32144, 33620, 35588, 40180, 44485, 47068, 50840, 52111, 58835, 60760, 62279, 67240, 71176, 80360, 82369, 88970, 94136, 101680, 104222, 117670, 121520, 124558, 134480, 142352, 160720, 164738, 177940, 188272, 208444, 235340, 249116, 260555, 311395, 329476, 355880, 364777, 411845, 416888, 470680, 498232, 521110, 622790, 658952, 711760, 729554, 823690, 833776, 941360, 996464, 1042220, 1245580, 1317904, 1459108, 1647380, 1823885, 2084440, 2491160, 2553439, 2918216, 3294760, 3647770, 4168880, 4982320, 5106878, 5836432, 6589520, 7295540, 10213756, 12767195, 14591080, 20427512, 25534390, 29182160, 40855024, 51068780, 102137560, 204275120]

約数ペア:

[(1, 204275120), (2, 102137560), (4, 51068780), (5, 40855024), (7, 29182160), (8, 25534390), (10, 20427512), (14, 14591080), (16, 12767195), (20, 10213756), (28, 7295540), (31, 6589520), (35, 5836432), (40, 5106878), (41, 4982320), (49, 4168880), (56, 3647770), (62, 3294760), (70, 2918216), (80, 2553439), (82, 2491160), (98, 2084440), (112, 1823885), (124, 1647380), (140, 1459108), (155, 1317904), (164, 1245580), (196, 1042220), (205, 996464), (217, 941360), (245, 833776), (248, 823690), (280, 729554), (287, 711760), (310, 658952), (328, 622790), (392, 521110), (410, 498232), (434, 470680), (490, 416888), (496, 411845), (560, 364777), (574, 355880), (620, 329476), (656, 311395), (784, 260555), (820, 249116), (868, 235340), (980, 208444), (1085, 188272), (1148, 177940), (1240, 164738), (1271, 160720), (1435, 142352), (1519, 134480), (1640, 124558), (1681, 121520), (1736, 117670), (1960, 104222), (2009, 101680), (2170, 94136), (2296, 88970), (2480, 82369), (2542, 80360), (2870, 71176), (3038, 67240), (3280, 62279), (3362, 60760), (3472, 58835), (3920, 52111), (4018, 50840), (4340, 47068), (4592, 44485), (5084, 40180), (5740, 35588), (6076, 33620), (6355, 32144), (6724, 30380), (7595, 26896), (8036, 25420), (8405, 24304), (8680, 23534), (8897, 22960), (10045, 20336), (10168, 20090), (11480, 17794), (11767, 17360), (12152, 16810), (12710, 16072), (13448, 15190)]