81080220

素因数分解:

$2^2\times 3^1\times 5^1\times {\mathrm{13}}^1\times {\mathrm{19}}^1\times {\mathrm{5471}}^1$

素因数の和:5515

約数の個数: 96

約数和(自身を含む): 257402880

約数和(自身を除く): 176322660

約数列:

[1, 2, 3, 4, 5, 6, 10, 12, 13, 15, 19, 20, 26, 30, 38, 39, 52, 57, 60, 65, 76, 78, 95, 114, 130, 156, 190, 195, 228, 247, 260, 285, 380, 390, 494, 570, 741, 780, 988, 1140, 1235, 1482, 2470, 2964, 3705, 4940, 5471, 7410, 10942, 14820, 16413, 21884, 27355, 32826, 54710, 65652, 71123, 82065, 103949, 109420, 142246, 164130, 207898, 213369, 284492, 311847, 328260, 355615, 415796, 426738, 519745, 623694, 711230, 853476, 1039490, 1066845, 1247388, 1351337, 1422460, 1559235, 2078980, 2133690, 2702674, 3118470, 4054011, 4267380, 5405348, 6236940, 6756685, 8108022, 13513370, 16216044, 20270055, 27026740, 40540110, 81080220]

約数ペア:

[(1, 81080220), (2, 40540110), (3, 27026740), (4, 20270055), (5, 16216044), (6, 13513370), (10, 8108022), (12, 6756685), (13, 6236940), (15, 5405348), (19, 4267380), (20, 4054011), (26, 3118470), (30, 2702674), (38, 2133690), (39, 2078980), (52, 1559235), (57, 1422460), (60, 1351337), (65, 1247388), (76, 1066845), (78, 1039490), (95, 853476), (114, 711230), (130, 623694), (156, 519745), (190, 426738), (195, 415796), (228, 355615), (247, 328260), (260, 311847), (285, 284492), (380, 213369), (390, 207898), (494, 164130), (570, 142246), (741, 109420), (780, 103949), (988, 82065), (1140, 71123), (1235, 65652), (1482, 54710), (2470, 32826), (2964, 27355), (3705, 21884), (4940, 16413), (5471, 14820), (7410, 10942)]