78844040

素因数分解:

$2^3\times 5^1\times {\mathrm{11}}^1\times {\mathrm{29}}^1\times {\mathrm{37}}^1\times {\mathrm{167}}^1$

素因数の和:255

約数の個数: 128

約数和(自身を含む): 206841600

約数和(自身を除く): 127997560

約数列:

[1, 2, 4, 5, 8, 10, 11, 20, 22, 29, 37, 40, 44, 55, 58, 74, 88, 110, 116, 145, 148, 167, 185, 220, 232, 290, 296, 319, 334, 370, 407, 440, 580, 638, 668, 740, 814, 835, 1073, 1160, 1276, 1336, 1480, 1595, 1628, 1670, 1837, 2035, 2146, 2552, 3190, 3256, 3340, 3674, 4070, 4292, 4843, 5365, 6179, 6380, 6680, 7348, 8140, 8584, 9185, 9686, 10730, 11803, 12358, 12760, 14696, 16280, 18370, 19372, 21460, 23606, 24215, 24716, 30895, 36740, 38744, 42920, 47212, 48430, 49432, 53273, 59015, 61790, 67969, 73480, 94424, 96860, 106546, 118030, 123580, 135938, 179191, 193720, 213092, 236060, 247160, 266365, 271876, 339845, 358382, 426184, 472120, 532730, 543752, 679690, 716764, 895955, 1065460, 1359380, 1433528, 1791910, 1971101, 2130920, 2718760, 3583820, 3942202, 7167640, 7884404, 9855505, 15768808, 19711010, 39422020, 78844040]

約数ペア:

[(1, 78844040), (2, 39422020), (4, 19711010), (5, 15768808), (8, 9855505), (10, 7884404), (11, 7167640), (20, 3942202), (22, 3583820), (29, 2718760), (37, 2130920), (40, 1971101), (44, 1791910), (55, 1433528), (58, 1359380), (74, 1065460), (88, 895955), (110, 716764), (116, 679690), (145, 543752), (148, 532730), (167, 472120), (185, 426184), (220, 358382), (232, 339845), (290, 271876), (296, 266365), (319, 247160), (334, 236060), (370, 213092), (407, 193720), (440, 179191), (580, 135938), (638, 123580), (668, 118030), (740, 106546), (814, 96860), (835, 94424), (1073, 73480), (1160, 67969), (1276, 61790), (1336, 59015), (1480, 53273), (1595, 49432), (1628, 48430), (1670, 47212), (1837, 42920), (2035, 38744), (2146, 36740), (2552, 30895), (3190, 24716), (3256, 24215), (3340, 23606), (3674, 21460), (4070, 19372), (4292, 18370), (4843, 16280), (5365, 14696), (6179, 12760), (6380, 12358), (6680, 11803), (7348, 10730), (8140, 9686), (8584, 9185)]