128447640

素因数分解:

$2^3\times 3^3\times 5^1\times {\mathrm{23}}^1\times {\mathrm{5171}}^1$

素因数の和:5214

約数の個数: 128

約数和(自身を含む): 446860800

約数和(自身を除く): 318413160

約数列:

[1, 2, 3, 4, 5, 6, 8, 9, 10, 12, 15, 18, 20, 23, 24, 27, 30, 36, 40, 45, 46, 54, 60, 69, 72, 90, 92, 108, 115, 120, 135, 138, 180, 184, 207, 216, 230, 270, 276, 345, 360, 414, 460, 540, 552, 621, 690, 828, 920, 1035, 1080, 1242, 1380, 1656, 2070, 2484, 2760, 3105, 4140, 4968, 5171, 6210, 8280, 10342, 12420, 15513, 20684, 24840, 25855, 31026, 41368, 46539, 51710, 62052, 77565, 93078, 103420, 118933, 124104, 139617, 155130, 186156, 206840, 232695, 237866, 279234, 310260, 356799, 372312, 465390, 475732, 558468, 594665, 620520, 698085, 713598, 930780, 951464, 1070397, 1116936, 1189330, 1396170, 1427196, 1783995, 1861560, 2140794, 2378660, 2792340, 2854392, 3211191, 3567990, 4281588, 4757320, 5351985, 5584680, 6422382, 7135980, 8563176, 10703970, 12844764, 14271960, 16055955, 21407940, 25689528, 32111910, 42815880, 64223820, 128447640]

約数ペア:

[(1, 128447640), (2, 64223820), (3, 42815880), (4, 32111910), (5, 25689528), (6, 21407940), (8, 16055955), (9, 14271960), (10, 12844764), (12, 10703970), (15, 8563176), (18, 7135980), (20, 6422382), (23, 5584680), (24, 5351985), (27, 4757320), (30, 4281588), (36, 3567990), (40, 3211191), (45, 2854392), (46, 2792340), (54, 2378660), (60, 2140794), (69, 1861560), (72, 1783995), (90, 1427196), (92, 1396170), (108, 1189330), (115, 1116936), (120, 1070397), (135, 951464), (138, 930780), (180, 713598), (184, 698085), (207, 620520), (216, 594665), (230, 558468), (270, 475732), (276, 465390), (345, 372312), (360, 356799), (414, 310260), (460, 279234), (540, 237866), (552, 232695), (621, 206840), (690, 186156), (828, 155130), (920, 139617), (1035, 124104), (1080, 118933), (1242, 103420), (1380, 93078), (1656, 77565), (2070, 62052), (2484, 51710), (2760, 46539), (3105, 41368), (4140, 31026), (4968, 25855), (5171, 24840), (6210, 20684), (8280, 15513), (10342, 12420)]