28560480

素因数分解:

$2^5\times 3^1\times 5^1\times {\mathrm{13}}^1\times {\mathrm{23}}^1\times {\mathrm{199}}^1$

素因数の和:253

約数の個数: 192

約数和(自身を含む): 101606400

約数和(自身を除く): 73045920

約数列:

[1, 2, 3, 4, 5, 6, 8, 10, 12, 13, 15, 16, 20, 23, 24, 26, 30, 32, 39, 40, 46, 48, 52, 60, 65, 69, 78, 80, 92, 96, 104, 115, 120, 130, 138, 156, 160, 184, 195, 199, 208, 230, 240, 260, 276, 299, 312, 345, 368, 390, 398, 416, 460, 480, 520, 552, 597, 598, 624, 690, 736, 780, 796, 897, 920, 995, 1040, 1104, 1194, 1196, 1248, 1380, 1495, 1560, 1592, 1794, 1840, 1990, 2080, 2208, 2388, 2392, 2587, 2760, 2985, 2990, 3120, 3184, 3588, 3680, 3980, 4485, 4577, 4776, 4784, 5174, 5520, 5970, 5980, 6240, 6368, 7176, 7761, 7960, 8970, 9154, 9552, 9568, 10348, 11040, 11940, 11960, 12935, 13731, 14352, 15522, 15920, 17940, 18308, 19104, 20696, 22885, 23880, 23920, 25870, 27462, 28704, 31044, 31840, 35880, 36616, 38805, 41392, 45770, 47760, 47840, 51740, 54924, 59501, 62088, 68655, 71760, 73232, 77610, 82784, 91540, 95520, 103480, 109848, 119002, 124176, 137310, 143520, 146464, 155220, 178503, 183080, 206960, 219696, 238004, 248352, 274620, 297505, 310440, 357006, 366160, 413920, 439392, 476008, 549240, 595010, 620880, 714012, 732320, 892515, 952016, 1098480, 1190020, 1241760, 1428024, 1785030, 1904032, 2196960, 2380040, 2856048, 3570060, 4760080, 5712096, 7140120, 9520160, 14280240, 28560480]

約数ペア:

[(1, 28560480), (2, 14280240), (3, 9520160), (4, 7140120), (5, 5712096), (6, 4760080), (8, 3570060), (10, 2856048), (12, 2380040), (13, 2196960), (15, 1904032), (16, 1785030), (20, 1428024), (23, 1241760), (24, 1190020), (26, 1098480), (30, 952016), (32, 892515), (39, 732320), (40, 714012), (46, 620880), (48, 595010), (52, 549240), (60, 476008), (65, 439392), (69, 413920), (78, 366160), (80, 357006), (92, 310440), (96, 297505), (104, 274620), (115, 248352), (120, 238004), (130, 219696), (138, 206960), (156, 183080), (160, 178503), (184, 155220), (195, 146464), (199, 143520), (208, 137310), (230, 124176), (240, 119002), (260, 109848), (276, 103480), (299, 95520), (312, 91540), (345, 82784), (368, 77610), (390, 73232), (398, 71760), (416, 68655), (460, 62088), (480, 59501), (520, 54924), (552, 51740), (597, 47840), (598, 47760), (624, 45770), (690, 41392), (736, 38805), (780, 36616), (796, 35880), (897, 31840), (920, 31044), (995, 28704), (1040, 27462), (1104, 25870), (1194, 23920), (1196, 23880), (1248, 22885), (1380, 20696), (1495, 19104), (1560, 18308), (1592, 17940), (1794, 15920), (1840, 15522), (1990, 14352), (2080, 13731), (2208, 12935), (2388, 11960), (2392, 11940), (2587, 11040), (2760, 10348), (2985, 9568), (2990, 9552), (3120, 9154), (3184, 8970), (3588, 7960), (3680, 7761), (3980, 7176), (4485, 6368), (4577, 6240), (4776, 5980), (4784, 5970), (5174, 5520)]