258687520

素因数分解:

$2^5\times 5^1\times 7^1\times {\mathrm{13}}^1\times {\mathrm{109}}^1\times {\mathrm{163}}^1$

素因数の和:307

約数の個数: 192

約数和(自身を含む): 763741440

約数和(自身を除く): 505053920

約数列:

[1, 2, 4, 5, 7, 8, 10, 13, 14, 16, 20, 26, 28, 32, 35, 40, 52, 56, 65, 70, 80, 91, 104, 109, 112, 130, 140, 160, 163, 182, 208, 218, 224, 260, 280, 326, 364, 416, 436, 455, 520, 545, 560, 652, 728, 763, 815, 872, 910, 1040, 1090, 1120, 1141, 1304, 1417, 1456, 1526, 1630, 1744, 1820, 2080, 2119, 2180, 2282, 2608, 2834, 2912, 3052, 3260, 3488, 3640, 3815, 4238, 4360, 4564, 5216, 5668, 5705, 6104, 6520, 7085, 7280, 7630, 8476, 8720, 9128, 9919, 10595, 11336, 11410, 12208, 13040, 14170, 14560, 14833, 15260, 16952, 17440, 17767, 18256, 19838, 21190, 22672, 22820, 24416, 26080, 28340, 29666, 30520, 33904, 35534, 36512, 39676, 42380, 45344, 45640, 49595, 56680, 59332, 61040, 67808, 71068, 74165, 79352, 84760, 88835, 91280, 99190, 113360, 118664, 122080, 124369, 142136, 148330, 158704, 169520, 177670, 182560, 198380, 226720, 230971, 237328, 248738, 284272, 296660, 317408, 339040, 355340, 396760, 461942, 474656, 497476, 568544, 593320, 621845, 710680, 793520, 923884, 994952, 1154855, 1186640, 1243690, 1421360, 1587040, 1616797, 1847768, 1989904, 2309710, 2373280, 2487380, 2842720, 3233594, 3695536, 3979808, 4619420, 4974760, 6467188, 7391072, 8083985, 9238840, 9949520, 12934376, 16167970, 18477680, 19899040, 25868752, 32335940, 36955360, 51737504, 64671880, 129343760, 258687520]

約数ペア:

[(1, 258687520), (2, 129343760), (4, 64671880), (5, 51737504), (7, 36955360), (8, 32335940), (10, 25868752), (13, 19899040), (14, 18477680), (16, 16167970), (20, 12934376), (26, 9949520), (28, 9238840), (32, 8083985), (35, 7391072), (40, 6467188), (52, 4974760), (56, 4619420), (65, 3979808), (70, 3695536), (80, 3233594), (91, 2842720), (104, 2487380), (109, 2373280), (112, 2309710), (130, 1989904), (140, 1847768), (160, 1616797), (163, 1587040), (182, 1421360), (208, 1243690), (218, 1186640), (224, 1154855), (260, 994952), (280, 923884), (326, 793520), (364, 710680), (416, 621845), (436, 593320), (455, 568544), (520, 497476), (545, 474656), (560, 461942), (652, 396760), (728, 355340), (763, 339040), (815, 317408), (872, 296660), (910, 284272), (1040, 248738), (1090, 237328), (1120, 230971), (1141, 226720), (1304, 198380), (1417, 182560), (1456, 177670), (1526, 169520), (1630, 158704), (1744, 148330), (1820, 142136), (2080, 124369), (2119, 122080), (2180, 118664), (2282, 113360), (2608, 99190), (2834, 91280), (2912, 88835), (3052, 84760), (3260, 79352), (3488, 74165), (3640, 71068), (3815, 67808), (4238, 61040), (4360, 59332), (4564, 56680), (5216, 49595), (5668, 45640), (5705, 45344), (6104, 42380), (6520, 39676), (7085, 36512), (7280, 35534), (7630, 33904), (8476, 30520), (8720, 29666), (9128, 28340), (9919, 26080), (10595, 24416), (11336, 22820), (11410, 22672), (12208, 21190), (13040, 19838), (14170, 18256), (14560, 17767), (14833, 17440), (15260, 16952)]