320414520

素因数分解:

$2^3\times 3^1\times 5^1\times {\mathrm{73}}^1\times {\mathrm{79}}^1\times {\mathrm{463}}^1$

素因数の和:629

約数の個数: 128

約数和(自身を含む): 988876800

約数和(自身を除く): 668462280

約数列:

[1, 2, 3, 4, 5, 6, 8, 10, 12, 15, 20, 24, 30, 40, 60, 73, 79, 120, 146, 158, 219, 237, 292, 316, 365, 395, 438, 463, 474, 584, 632, 730, 790, 876, 926, 948, 1095, 1185, 1389, 1460, 1580, 1752, 1852, 1896, 2190, 2315, 2370, 2778, 2920, 3160, 3704, 4380, 4630, 4740, 5556, 5767, 6945, 8760, 9260, 9480, 11112, 11534, 13890, 17301, 18520, 23068, 27780, 28835, 33799, 34602, 36577, 46136, 55560, 57670, 67598, 69204, 73154, 86505, 101397, 109731, 115340, 135196, 138408, 146308, 168995, 173010, 182885, 202794, 219462, 230680, 270392, 292616, 337990, 346020, 365770, 405588, 438924, 506985, 548655, 675980, 692040, 731540, 811176, 877848, 1013970, 1097310, 1351960, 1463080, 2027940, 2194620, 2670121, 4055880, 4389240, 5340242, 8010363, 10680484, 13350605, 16020726, 21360968, 26701210, 32041452, 40051815, 53402420, 64082904, 80103630, 106804840, 160207260, 320414520]

約数ペア:

[(1, 320414520), (2, 160207260), (3, 106804840), (4, 80103630), (5, 64082904), (6, 53402420), (8, 40051815), (10, 32041452), (12, 26701210), (15, 21360968), (20, 16020726), (24, 13350605), (30, 10680484), (40, 8010363), (60, 5340242), (73, 4389240), (79, 4055880), (120, 2670121), (146, 2194620), (158, 2027940), (219, 1463080), (237, 1351960), (292, 1097310), (316, 1013970), (365, 877848), (395, 811176), (438, 731540), (463, 692040), (474, 675980), (584, 548655), (632, 506985), (730, 438924), (790, 405588), (876, 365770), (926, 346020), (948, 337990), (1095, 292616), (1185, 270392), (1389, 230680), (1460, 219462), (1580, 202794), (1752, 182885), (1852, 173010), (1896, 168995), (2190, 146308), (2315, 138408), (2370, 135196), (2778, 115340), (2920, 109731), (3160, 101397), (3704, 86505), (4380, 73154), (4630, 69204), (4740, 67598), (5556, 57670), (5767, 55560), (6945, 46136), (8760, 36577), (9260, 34602), (9480, 33799), (11112, 28835), (11534, 27780), (13890, 23068), (17301, 18520)]