313283280

素因数分解:

$2^4\times 3^1\times 5^1\times {\mathrm{653}}^1\times {\mathrm{1999}}^1$

素因数の和:2668

約数の個数: 80

約数和(自身を含む): 973152000

約数和(自身を除く): 659868720

約数列:

[1, 2, 3, 4, 5, 6, 8, 10, 12, 15, 16, 20, 24, 30, 40, 48, 60, 80, 120, 240, 653, 1306, 1959, 1999, 2612, 3265, 3918, 3998, 5224, 5997, 6530, 7836, 7996, 9795, 9995, 10448, 11994, 13060, 15672, 15992, 19590, 19990, 23988, 26120, 29985, 31344, 31984, 39180, 39980, 47976, 52240, 59970, 78360, 79960, 95952, 119940, 156720, 159920, 239880, 479760, 1305347, 2610694, 3916041, 5221388, 6526735, 7832082, 10442776, 13053470, 15664164, 19580205, 20885552, 26106940, 31328328, 39160410, 52213880, 62656656, 78320820, 104427760, 156641640, 313283280]

約数ペア:

[(1, 313283280), (2, 156641640), (3, 104427760), (4, 78320820), (5, 62656656), (6, 52213880), (8, 39160410), (10, 31328328), (12, 26106940), (15, 20885552), (16, 19580205), (20, 15664164), (24, 13053470), (30, 10442776), (40, 7832082), (48, 6526735), (60, 5221388), (80, 3916041), (120, 2610694), (240, 1305347), (653, 479760), (1306, 239880), (1959, 159920), (1999, 156720), (2612, 119940), (3265, 95952), (3918, 79960), (3998, 78360), (5224, 59970), (5997, 52240), (6530, 47976), (7836, 39980), (7996, 39180), (9795, 31984), (9995, 31344), (10448, 29985), (11994, 26120), (13060, 23988), (15672, 19990), (15992, 19590)]