85491640

素因数分解:

$2^3\times 5^1\times {\mathrm{13}}^1\times {\mathrm{17}}^1\times {\mathrm{19}}^1\times {\mathrm{509}}^1$

素因数の和:569

約数の個数: 128

約数和(自身を含む): 231336000

約数和(自身を除く): 145844360

約数列:

[1, 2, 4, 5, 8, 10, 13, 17, 19, 20, 26, 34, 38, 40, 52, 65, 68, 76, 85, 95, 104, 130, 136, 152, 170, 190, 221, 247, 260, 323, 340, 380, 442, 494, 509, 520, 646, 680, 760, 884, 988, 1018, 1105, 1235, 1292, 1615, 1768, 1976, 2036, 2210, 2470, 2545, 2584, 3230, 4072, 4199, 4420, 4940, 5090, 6460, 6617, 8398, 8653, 8840, 9671, 9880, 10180, 12920, 13234, 16796, 17306, 19342, 20360, 20995, 26468, 33085, 33592, 34612, 38684, 41990, 43265, 48355, 52936, 66170, 69224, 77368, 83980, 86530, 96710, 112489, 125723, 132340, 164407, 167960, 173060, 193420, 224978, 251446, 264680, 328814, 346120, 386840, 449956, 502892, 562445, 628615, 657628, 822035, 899912, 1005784, 1124890, 1257230, 1315256, 1644070, 2137291, 2249780, 2514460, 3288140, 4274582, 4499560, 5028920, 6576280, 8549164, 10686455, 17098328, 21372910, 42745820, 85491640]

約数ペア:

[(1, 85491640), (2, 42745820), (4, 21372910), (5, 17098328), (8, 10686455), (10, 8549164), (13, 6576280), (17, 5028920), (19, 4499560), (20, 4274582), (26, 3288140), (34, 2514460), (38, 2249780), (40, 2137291), (52, 1644070), (65, 1315256), (68, 1257230), (76, 1124890), (85, 1005784), (95, 899912), (104, 822035), (130, 657628), (136, 628615), (152, 562445), (170, 502892), (190, 449956), (221, 386840), (247, 346120), (260, 328814), (323, 264680), (340, 251446), (380, 224978), (442, 193420), (494, 173060), (509, 167960), (520, 164407), (646, 132340), (680, 125723), (760, 112489), (884, 96710), (988, 86530), (1018, 83980), (1105, 77368), (1235, 69224), (1292, 66170), (1615, 52936), (1768, 48355), (1976, 43265), (2036, 41990), (2210, 38684), (2470, 34612), (2545, 33592), (2584, 33085), (3230, 26468), (4072, 20995), (4199, 20360), (4420, 19342), (4940, 17306), (5090, 16796), (6460, 13234), (6617, 12920), (8398, 10180), (8653, 9880), (8840, 9671)]