85404880

素因数分解:

$2^4\times 5^1\times {\mathrm{11}}^1\times {\mathrm{37}}^1\times {\mathrm{43}}^1\times {\mathrm{61}}^1$

素因数の和:165

約数の個数: 160

約数和(自身を含む): 231378048

約数和(自身を除く): 145973168

約数列:

[1, 2, 4, 5, 8, 10, 11, 16, 20, 22, 37, 40, 43, 44, 55, 61, 74, 80, 86, 88, 110, 122, 148, 172, 176, 185, 215, 220, 244, 296, 305, 344, 370, 407, 430, 440, 473, 488, 592, 610, 671, 688, 740, 814, 860, 880, 946, 976, 1220, 1342, 1480, 1591, 1628, 1720, 1892, 2035, 2257, 2365, 2440, 2623, 2684, 2960, 3182, 3256, 3355, 3440, 3784, 4070, 4514, 4730, 4880, 5246, 5368, 6364, 6512, 6710, 7568, 7955, 8140, 9028, 9460, 10492, 10736, 11285, 12728, 13115, 13420, 15910, 16280, 17501, 18056, 18920, 20984, 22570, 24827, 25456, 26230, 26840, 28853, 31820, 32560, 35002, 36112, 37840, 41968, 45140, 49654, 52460, 53680, 57706, 63640, 70004, 87505, 90280, 97051, 99308, 104920, 115412, 124135, 127280, 140008, 144265, 175010, 180560, 194102, 198616, 209840, 230824, 248270, 280016, 288530, 350020, 388204, 397232, 461648, 485255, 496540, 577060, 700040, 776408, 970510, 993080, 1067561, 1154120, 1400080, 1552816, 1941020, 1986160, 2135122, 2308240, 3882040, 4270244, 5337805, 7764080, 8540488, 10675610, 17080976, 21351220, 42702440, 85404880]

約数ペア:

[(1, 85404880), (2, 42702440), (4, 21351220), (5, 17080976), (8, 10675610), (10, 8540488), (11, 7764080), (16, 5337805), (20, 4270244), (22, 3882040), (37, 2308240), (40, 2135122), (43, 1986160), (44, 1941020), (55, 1552816), (61, 1400080), (74, 1154120), (80, 1067561), (86, 993080), (88, 970510), (110, 776408), (122, 700040), (148, 577060), (172, 496540), (176, 485255), (185, 461648), (215, 397232), (220, 388204), (244, 350020), (296, 288530), (305, 280016), (344, 248270), (370, 230824), (407, 209840), (430, 198616), (440, 194102), (473, 180560), (488, 175010), (592, 144265), (610, 140008), (671, 127280), (688, 124135), (740, 115412), (814, 104920), (860, 99308), (880, 97051), (946, 90280), (976, 87505), (1220, 70004), (1342, 63640), (1480, 57706), (1591, 53680), (1628, 52460), (1720, 49654), (1892, 45140), (2035, 41968), (2257, 37840), (2365, 36112), (2440, 35002), (2623, 32560), (2684, 31820), (2960, 28853), (3182, 26840), (3256, 26230), (3355, 25456), (3440, 24827), (3784, 22570), (4070, 20984), (4514, 18920), (4730, 18056), (4880, 17501), (5246, 16280), (5368, 15910), (6364, 13420), (6512, 13115), (6710, 12728), (7568, 11285), (7955, 10736), (8140, 10492), (9028, 9460)]