170872020

素因数分解:

$2^2\times 3^2\times 5^1\times {\mathrm{11}}^1\times {\mathrm{211}}^1\times {\mathrm{409}}^1$

素因数の和:646

約数の個数: 144

約数和(自身を含む): 569499840

約数和(自身を除く): 398627820

約数列:

[1, 2, 3, 4, 5, 6, 9, 10, 11, 12, 15, 18, 20, 22, 30, 33, 36, 44, 45, 55, 60, 66, 90, 99, 110, 132, 165, 180, 198, 211, 220, 330, 396, 409, 422, 495, 633, 660, 818, 844, 990, 1055, 1227, 1266, 1636, 1899, 1980, 2045, 2110, 2321, 2454, 2532, 3165, 3681, 3798, 4090, 4220, 4499, 4642, 4908, 6135, 6330, 6963, 7362, 7596, 8180, 8998, 9284, 9495, 11605, 12270, 12660, 13497, 13926, 14724, 17996, 18405, 18990, 20889, 22495, 23210, 24540, 26994, 27852, 34815, 36810, 37980, 40491, 41778, 44990, 46420, 53988, 67485, 69630, 73620, 80982, 83556, 86299, 89980, 104445, 134970, 139260, 161964, 172598, 202455, 208890, 258897, 269940, 345196, 404910, 417780, 431495, 517794, 776691, 809820, 862990, 949289, 1035588, 1294485, 1553382, 1725980, 1898578, 2588970, 2847867, 3106764, 3797156, 3883455, 4746445, 5177940, 5695734, 7766910, 8543601, 9492890, 11391468, 14239335, 15533820, 17087202, 18985780, 28478670, 34174404, 42718005, 56957340, 85436010, 170872020]

約数ペア:

[(1, 170872020), (2, 85436010), (3, 56957340), (4, 42718005), (5, 34174404), (6, 28478670), (9, 18985780), (10, 17087202), (11, 15533820), (12, 14239335), (15, 11391468), (18, 9492890), (20, 8543601), (22, 7766910), (30, 5695734), (33, 5177940), (36, 4746445), (44, 3883455), (45, 3797156), (55, 3106764), (60, 2847867), (66, 2588970), (90, 1898578), (99, 1725980), (110, 1553382), (132, 1294485), (165, 1035588), (180, 949289), (198, 862990), (211, 809820), (220, 776691), (330, 517794), (396, 431495), (409, 417780), (422, 404910), (495, 345196), (633, 269940), (660, 258897), (818, 208890), (844, 202455), (990, 172598), (1055, 161964), (1227, 139260), (1266, 134970), (1636, 104445), (1899, 89980), (1980, 86299), (2045, 83556), (2110, 80982), (2321, 73620), (2454, 69630), (2532, 67485), (3165, 53988), (3681, 46420), (3798, 44990), (4090, 41778), (4220, 40491), (4499, 37980), (4642, 36810), (4908, 34815), (6135, 27852), (6330, 26994), (6963, 24540), (7362, 23210), (7596, 22495), (8180, 20889), (8998, 18990), (9284, 18405), (9495, 17996), (11605, 14724), (12270, 13926), (12660, 13497)]