77948260

素因数分解:

$2^2\times 5^1\times {\mathrm{13}}^1\times {\mathrm{19}}^1\times {\mathrm{31}}^1\times {\mathrm{509}}^1$

素因数の和:581

約数の個数: 96

約数和(自身を含む): 191923200

約数和(自身を除く): 113974940

約数列:

[1, 2, 4, 5, 10, 13, 19, 20, 26, 31, 38, 52, 62, 65, 76, 95, 124, 130, 155, 190, 247, 260, 310, 380, 403, 494, 509, 589, 620, 806, 988, 1018, 1178, 1235, 1612, 2015, 2036, 2356, 2470, 2545, 2945, 4030, 4940, 5090, 5890, 6617, 7657, 8060, 9671, 10180, 11780, 13234, 15314, 15779, 19342, 26468, 30628, 31558, 33085, 38285, 38684, 48355, 63116, 66170, 76570, 78895, 96710, 125723, 132340, 153140, 157790, 193420, 205127, 251446, 299801, 315580, 410254, 502892, 599602, 628615, 820508, 1025635, 1199204, 1257230, 1499005, 2051270, 2514460, 2998010, 3897413, 4102540, 5996020, 7794826, 15589652, 19487065, 38974130, 77948260]

約数ペア:

[(1, 77948260), (2, 38974130), (4, 19487065), (5, 15589652), (10, 7794826), (13, 5996020), (19, 4102540), (20, 3897413), (26, 2998010), (31, 2514460), (38, 2051270), (52, 1499005), (62, 1257230), (65, 1199204), (76, 1025635), (95, 820508), (124, 628615), (130, 599602), (155, 502892), (190, 410254), (247, 315580), (260, 299801), (310, 251446), (380, 205127), (403, 193420), (494, 157790), (509, 153140), (589, 132340), (620, 125723), (806, 96710), (988, 78895), (1018, 76570), (1178, 66170), (1235, 63116), (1612, 48355), (2015, 38684), (2036, 38285), (2356, 33085), (2470, 31558), (2545, 30628), (2945, 26468), (4030, 19342), (4940, 15779), (5090, 15314), (5890, 13234), (6617, 11780), (7657, 10180), (8060, 9671)]