280939360

素因数分解:

$2^5\times 5^1\times {\mathrm{13}}^1\times {\mathrm{31}}^1\times {\mathrm{4357}}^1$

素因数の和:4416

約数の個数: 96

約数和(自身を含む): 738001152

約数和(自身を除く): 457061792

約数列:

[1, 2, 4, 5, 8, 10, 13, 16, 20, 26, 31, 32, 40, 52, 62, 65, 80, 104, 124, 130, 155, 160, 208, 248, 260, 310, 403, 416, 496, 520, 620, 806, 992, 1040, 1240, 1612, 2015, 2080, 2480, 3224, 4030, 4357, 4960, 6448, 8060, 8714, 12896, 16120, 17428, 21785, 32240, 34856, 43570, 56641, 64480, 69712, 87140, 113282, 135067, 139424, 174280, 226564, 270134, 283205, 348560, 453128, 540268, 566410, 675335, 697120, 906256, 1080536, 1132820, 1350670, 1755871, 1812512, 2161072, 2265640, 2701340, 3511742, 4322144, 4531280, 5402680, 7023484, 8779355, 9062560, 10805360, 14046968, 17558710, 21610720, 28093936, 35117420, 56187872, 70234840, 140469680, 280939360]

約数ペア:

[(1, 280939360), (2, 140469680), (4, 70234840), (5, 56187872), (8, 35117420), (10, 28093936), (13, 21610720), (16, 17558710), (20, 14046968), (26, 10805360), (31, 9062560), (32, 8779355), (40, 7023484), (52, 5402680), (62, 4531280), (65, 4322144), (80, 3511742), (104, 2701340), (124, 2265640), (130, 2161072), (155, 1812512), (160, 1755871), (208, 1350670), (248, 1132820), (260, 1080536), (310, 906256), (403, 697120), (416, 675335), (496, 566410), (520, 540268), (620, 453128), (806, 348560), (992, 283205), (1040, 270134), (1240, 226564), (1612, 174280), (2015, 139424), (2080, 135067), (2480, 113282), (3224, 87140), (4030, 69712), (4357, 64480), (4960, 56641), (6448, 43570), (8060, 34856), (8714, 32240), (12896, 21785), (16120, 17428)]