15672821680

素因数分解:

$2^4\times 5^1\times {\mathrm{89}}^1\times {\mathrm{787}}^1\times {\mathrm{2797}}^1$

素因数の和:3686

約数の個数: 80

約数和(自身を含む): 36908753760

約数和(自身を除く): 21235932080

約数列:

[1, 2, 4, 5, 8, 10, 16, 20, 40, 80, 89, 178, 356, 445, 712, 787, 890, 1424, 1574, 1780, 2797, 3148, 3560, 3935, 5594, 6296, 7120, 7870, 11188, 12592, 13985, 15740, 22376, 27970, 31480, 44752, 55940, 62960, 70043, 111880, 140086, 223760, 248933, 280172, 350215, 497866, 560344, 700430, 995732, 1120688, 1244665, 1400860, 1991464, 2201239, 2489330, 2801720, 3982928, 4402478, 4978660, 5603440, 8804956, 9957320, 11006195, 17609912, 19914640, 22012390, 35219824, 44024780, 88049560, 176099120, 195910271, 391820542, 783641084, 979551355, 1567282168, 1959102710, 3134564336, 3918205420, 7836410840, 15672821680]

約数ペア:

[(1, 15672821680), (2, 7836410840), (4, 3918205420), (5, 3134564336), (8, 1959102710), (10, 1567282168), (16, 979551355), (20, 783641084), (40, 391820542), (80, 195910271), (89, 176099120), (178, 88049560), (356, 44024780), (445, 35219824), (712, 22012390), (787, 19914640), (890, 17609912), (1424, 11006195), (1574, 9957320), (1780, 8804956), (2797, 5603440), (3148, 4978660), (3560, 4402478), (3935, 3982928), (5594, 2801720), (6296, 2489330), (7120, 2201239), (7870, 1991464), (11188, 1400860), (12592, 1244665), (13985, 1120688), (15740, 995732), (22376, 700430), (27970, 560344), (31480, 497866), (44752, 350215), (55940, 280172), (62960, 248933), (70043, 223760), (111880, 140086)]