311993520

素因数分解:

$2^4\times 3^1\times 5^1\times {\mathrm{17}}^1\times {\mathrm{47}}^1\times {\mathrm{1627}}^1$

素因数の和:1707

約数の個数: 160

約数和(自身を含む): 1046504448

約数和(自身を除く): 734510928

約数列:

[1, 2, 3, 4, 5, 6, 8, 10, 12, 15, 16, 17, 20, 24, 30, 34, 40, 47, 48, 51, 60, 68, 80, 85, 94, 102, 120, 136, 141, 170, 188, 204, 235, 240, 255, 272, 282, 340, 376, 408, 470, 510, 564, 680, 705, 752, 799, 816, 940, 1020, 1128, 1360, 1410, 1598, 1627, 1880, 2040, 2256, 2397, 2820, 3196, 3254, 3760, 3995, 4080, 4794, 4881, 5640, 6392, 6508, 7990, 8135, 9588, 9762, 11280, 11985, 12784, 13016, 15980, 16270, 19176, 19524, 23970, 24405, 26032, 27659, 31960, 32540, 38352, 39048, 47940, 48810, 55318, 63920, 65080, 76469, 78096, 82977, 95880, 97620, 110636, 130160, 138295, 152938, 165954, 191760, 195240, 221272, 229407, 276590, 305876, 331908, 382345, 390480, 414885, 442544, 458814, 553180, 611752, 663816, 764690, 829770, 917628, 1106360, 1147035, 1223504, 1299973, 1327632, 1529380, 1659540, 1835256, 2212720, 2294070, 2599946, 3058760, 3319080, 3670512, 3899919, 4588140, 5199892, 6117520, 6499865, 6638160, 7799838, 9176280, 10399784, 12999730, 15599676, 18352560, 19499595, 20799568, 25999460, 31199352, 38999190, 51998920, 62398704, 77998380, 103997840, 155996760, 311993520]

約数ペア:

[(1, 311993520), (2, 155996760), (3, 103997840), (4, 77998380), (5, 62398704), (6, 51998920), (8, 38999190), (10, 31199352), (12, 25999460), (15, 20799568), (16, 19499595), (17, 18352560), (20, 15599676), (24, 12999730), (30, 10399784), (34, 9176280), (40, 7799838), (47, 6638160), (48, 6499865), (51, 6117520), (60, 5199892), (68, 4588140), (80, 3899919), (85, 3670512), (94, 3319080), (102, 3058760), (120, 2599946), (136, 2294070), (141, 2212720), (170, 1835256), (188, 1659540), (204, 1529380), (235, 1327632), (240, 1299973), (255, 1223504), (272, 1147035), (282, 1106360), (340, 917628), (376, 829770), (408, 764690), (470, 663816), (510, 611752), (564, 553180), (680, 458814), (705, 442544), (752, 414885), (799, 390480), (816, 382345), (940, 331908), (1020, 305876), (1128, 276590), (1360, 229407), (1410, 221272), (1598, 195240), (1627, 191760), (1880, 165954), (2040, 152938), (2256, 138295), (2397, 130160), (2820, 110636), (3196, 97620), (3254, 95880), (3760, 82977), (3995, 78096), (4080, 76469), (4794, 65080), (4881, 63920), (5640, 55318), (6392, 48810), (6508, 47940), (7990, 39048), (8135, 38352), (9588, 32540), (9762, 31960), (11280, 27659), (11985, 26032), (12784, 24405), (13016, 23970), (15980, 19524), (16270, 19176)]