71389240

素因数分解:

$2^3\times 5^1\times {\mathrm{13}}^1\times {\mathrm{23}}^1\times {\mathrm{47}}^1\times {\mathrm{127}}^1$

素因数の和:221

約数の個数: 128

約数和(自身を含む): 185794560

約数和(自身を除く): 114405320

約数列:

[1, 2, 4, 5, 8, 10, 13, 20, 23, 26, 40, 46, 47, 52, 65, 92, 94, 104, 115, 127, 130, 184, 188, 230, 235, 254, 260, 299, 376, 460, 470, 508, 520, 598, 611, 635, 920, 940, 1016, 1081, 1196, 1222, 1270, 1495, 1651, 1880, 2162, 2392, 2444, 2540, 2921, 2990, 3055, 3302, 4324, 4888, 5080, 5405, 5842, 5969, 5980, 6110, 6604, 8255, 8648, 10810, 11684, 11938, 11960, 12220, 13208, 14053, 14605, 16510, 21620, 23368, 23876, 24440, 28106, 29210, 29845, 33020, 37973, 43240, 47752, 56212, 58420, 59690, 66040, 70265, 75946, 77597, 112424, 116840, 119380, 137287, 140530, 151892, 155194, 189865, 238760, 274574, 281060, 303784, 310388, 379730, 387985, 549148, 562120, 620776, 686435, 759460, 775970, 1098296, 1372870, 1518920, 1551940, 1784731, 2745740, 3103880, 3569462, 5491480, 7138924, 8923655, 14277848, 17847310, 35694620, 71389240]

約数ペア:

[(1, 71389240), (2, 35694620), (4, 17847310), (5, 14277848), (8, 8923655), (10, 7138924), (13, 5491480), (20, 3569462), (23, 3103880), (26, 2745740), (40, 1784731), (46, 1551940), (47, 1518920), (52, 1372870), (65, 1098296), (92, 775970), (94, 759460), (104, 686435), (115, 620776), (127, 562120), (130, 549148), (184, 387985), (188, 379730), (230, 310388), (235, 303784), (254, 281060), (260, 274574), (299, 238760), (376, 189865), (460, 155194), (470, 151892), (508, 140530), (520, 137287), (598, 119380), (611, 116840), (635, 112424), (920, 77597), (940, 75946), (1016, 70265), (1081, 66040), (1196, 59690), (1222, 58420), (1270, 56212), (1495, 47752), (1651, 43240), (1880, 37973), (2162, 33020), (2392, 29845), (2444, 29210), (2540, 28106), (2921, 24440), (2990, 23876), (3055, 23368), (3302, 21620), (4324, 16510), (4888, 14605), (5080, 14053), (5405, 13208), (5842, 12220), (5969, 11960), (5980, 11938), (6110, 11684), (6604, 10810), (8255, 8648)]