80447280

素因数分解:

$2^4\times 3^1\times 5^1\times {\mathrm{79}}^1\times {\mathrm{4243}}^1$

素因数の和:4338

約数の個数: 80

約数和(自身を含む): 252602880

約数和(自身を除く): 172155600

約数列:

[1, 2, 3, 4, 5, 6, 8, 10, 12, 15, 16, 20, 24, 30, 40, 48, 60, 79, 80, 120, 158, 237, 240, 316, 395, 474, 632, 790, 948, 1185, 1264, 1580, 1896, 2370, 3160, 3792, 4243, 4740, 6320, 8486, 9480, 12729, 16972, 18960, 21215, 25458, 33944, 42430, 50916, 63645, 67888, 84860, 101832, 127290, 169720, 203664, 254580, 335197, 339440, 509160, 670394, 1005591, 1018320, 1340788, 1675985, 2011182, 2681576, 3351970, 4022364, 5027955, 5363152, 6703940, 8044728, 10055910, 13407880, 16089456, 20111820, 26815760, 40223640, 80447280]

約数ペア:

[(1, 80447280), (2, 40223640), (3, 26815760), (4, 20111820), (5, 16089456), (6, 13407880), (8, 10055910), (10, 8044728), (12, 6703940), (15, 5363152), (16, 5027955), (20, 4022364), (24, 3351970), (30, 2681576), (40, 2011182), (48, 1675985), (60, 1340788), (79, 1018320), (80, 1005591), (120, 670394), (158, 509160), (237, 339440), (240, 335197), (316, 254580), (395, 203664), (474, 169720), (632, 127290), (790, 101832), (948, 84860), (1185, 67888), (1264, 63645), (1580, 50916), (1896, 42430), (2370, 33944), (3160, 25458), (3792, 21215), (4243, 18960), (4740, 16972), (6320, 12729), (8486, 9480)]