426551320

素因数分解:

$2^3\times 5^1\times {\mathrm{13}}^1\times {\mathrm{31}}^1\times {\mathrm{47}}^1\times {\mathrm{563}}^1$

素因数の和:665

約数の個数: 128

約数和(自身を含む): 1091543040

約数和(自身を除く): 664991720

約数列:

[1, 2, 4, 5, 8, 10, 13, 20, 26, 31, 40, 47, 52, 62, 65, 94, 104, 124, 130, 155, 188, 235, 248, 260, 310, 376, 403, 470, 520, 563, 611, 620, 806, 940, 1126, 1222, 1240, 1457, 1612, 1880, 2015, 2252, 2444, 2815, 2914, 3055, 3224, 4030, 4504, 4888, 5630, 5828, 6110, 7285, 7319, 8060, 11260, 11656, 12220, 14570, 14638, 16120, 17453, 18941, 22520, 24440, 26461, 29140, 29276, 34906, 36595, 37882, 52922, 58280, 58552, 69812, 73190, 75764, 87265, 94705, 105844, 132305, 139624, 146380, 151528, 174530, 189410, 211688, 226889, 264610, 292760, 343993, 349060, 378820, 453778, 529220, 687986, 698120, 757640, 820291, 907556, 1058440, 1134445, 1375972, 1640582, 1719965, 1815112, 2268890, 2751944, 3281164, 3439930, 4101455, 4537780, 6562328, 6879860, 8202910, 9075560, 10663783, 13759720, 16405820, 21327566, 32811640, 42655132, 53318915, 85310264, 106637830, 213275660, 426551320]

約数ペア:

[(1, 426551320), (2, 213275660), (4, 106637830), (5, 85310264), (8, 53318915), (10, 42655132), (13, 32811640), (20, 21327566), (26, 16405820), (31, 13759720), (40, 10663783), (47, 9075560), (52, 8202910), (62, 6879860), (65, 6562328), (94, 4537780), (104, 4101455), (124, 3439930), (130, 3281164), (155, 2751944), (188, 2268890), (235, 1815112), (248, 1719965), (260, 1640582), (310, 1375972), (376, 1134445), (403, 1058440), (470, 907556), (520, 820291), (563, 757640), (611, 698120), (620, 687986), (806, 529220), (940, 453778), (1126, 378820), (1222, 349060), (1240, 343993), (1457, 292760), (1612, 264610), (1880, 226889), (2015, 211688), (2252, 189410), (2444, 174530), (2815, 151528), (2914, 146380), (3055, 139624), (3224, 132305), (4030, 105844), (4504, 94705), (4888, 87265), (5630, 75764), (5828, 73190), (6110, 69812), (7285, 58552), (7319, 58280), (8060, 52922), (11260, 37882), (11656, 36595), (12220, 34906), (14570, 29276), (14638, 29140), (16120, 26461), (17453, 24440), (18941, 22520)]