81772860

素因数分解:

$2^2\times 3^1\times 5^1\times {\mathrm{13}}^1\times {\mathrm{41}}^1\times {\mathrm{2557}}^1$

素因数の和:2623

約数の個数: 96

約数和(自身を含む): 252689472

約数和(自身を除く): 170916612

約数列:

[1, 2, 3, 4, 5, 6, 10, 12, 13, 15, 20, 26, 30, 39, 41, 52, 60, 65, 78, 82, 123, 130, 156, 164, 195, 205, 246, 260, 390, 410, 492, 533, 615, 780, 820, 1066, 1230, 1599, 2132, 2460, 2557, 2665, 3198, 5114, 5330, 6396, 7671, 7995, 10228, 10660, 12785, 15342, 15990, 25570, 30684, 31980, 33241, 38355, 51140, 66482, 76710, 99723, 104837, 132964, 153420, 166205, 199446, 209674, 314511, 332410, 398892, 419348, 498615, 524185, 629022, 664820, 997230, 1048370, 1258044, 1362881, 1572555, 1994460, 2096740, 2725762, 3145110, 4088643, 5451524, 6290220, 6814405, 8177286, 13628810, 16354572, 20443215, 27257620, 40886430, 81772860]

約数ペア:

[(1, 81772860), (2, 40886430), (3, 27257620), (4, 20443215), (5, 16354572), (6, 13628810), (10, 8177286), (12, 6814405), (13, 6290220), (15, 5451524), (20, 4088643), (26, 3145110), (30, 2725762), (39, 2096740), (41, 1994460), (52, 1572555), (60, 1362881), (65, 1258044), (78, 1048370), (82, 997230), (123, 664820), (130, 629022), (156, 524185), (164, 498615), (195, 419348), (205, 398892), (246, 332410), (260, 314511), (390, 209674), (410, 199446), (492, 166205), (533, 153420), (615, 132964), (780, 104837), (820, 99723), (1066, 76710), (1230, 66482), (1599, 51140), (2132, 38355), (2460, 33241), (2557, 31980), (2665, 30684), (3198, 25570), (5114, 15990), (5330, 15342), (6396, 12785), (7671, 10660), (7995, 10228)]