1389856560

素因数分解:

$2^4\times 3^1\times 5^1\times {\mathrm{1931}}^1\times {\mathrm{2999}}^1$

素因数の和:4946

約数の個数: 80

約数和(自身を含む): 4312224000

約数和(自身を除く): 2922367440

約数列:

[1, 2, 3, 4, 5, 6, 8, 10, 12, 15, 16, 20, 24, 30, 40, 48, 60, 80, 120, 240, 1931, 2999, 3862, 5793, 5998, 7724, 8997, 9655, 11586, 11996, 14995, 15448, 17994, 19310, 23172, 23992, 28965, 29990, 30896, 35988, 38620, 44985, 46344, 47984, 57930, 59980, 71976, 77240, 89970, 92688, 115860, 119960, 143952, 154480, 179940, 231720, 239920, 359880, 463440, 719760, 5791069, 11582138, 17373207, 23164276, 28955345, 34746414, 46328552, 57910690, 69492828, 86866035, 92657104, 115821380, 138985656, 173732070, 231642760, 277971312, 347464140, 463285520, 694928280, 1389856560]

約数ペア:

[(1, 1389856560), (2, 694928280), (3, 463285520), (4, 347464140), (5, 277971312), (6, 231642760), (8, 173732070), (10, 138985656), (12, 115821380), (15, 92657104), (16, 86866035), (20, 69492828), (24, 57910690), (30, 46328552), (40, 34746414), (48, 28955345), (60, 23164276), (80, 17373207), (120, 11582138), (240, 5791069), (1931, 719760), (2999, 463440), (3862, 359880), (5793, 239920), (5998, 231720), (7724, 179940), (8997, 154480), (9655, 143952), (11586, 119960), (11996, 115860), (14995, 92688), (15448, 89970), (17994, 77240), (19310, 71976), (23172, 59980), (23992, 57930), (28965, 47984), (29990, 46344), (30896, 44985), (35988, 38620)]