87680040

素因数分解:

$2^3\times 3^1\times 5^1\times 7^1\times {\mathrm{104381}}^1$

素因数の和:104402

約数の個数: 64

約数和(自身を含む): 300620160

約数和(自身を除く): 212940120

約数列:

[1, 2, 3, 4, 5, 6, 7, 8, 10, 12, 14, 15, 20, 21, 24, 28, 30, 35, 40, 42, 56, 60, 70, 84, 105, 120, 140, 168, 210, 280, 420, 840, 104381, 208762, 313143, 417524, 521905, 626286, 730667, 835048, 1043810, 1252572, 1461334, 1565715, 2087620, 2192001, 2505144, 2922668, 3131430, 3653335, 4175240, 4384002, 5845336, 6262860, 7306670, 8768004, 10960005, 12525720, 14613340, 17536008, 21920010, 29226680, 43840020, 87680040]

約数ペア:

[(1, 87680040), (2, 43840020), (3, 29226680), (4, 21920010), (5, 17536008), (6, 14613340), (7, 12525720), (8, 10960005), (10, 8768004), (12, 7306670), (14, 6262860), (15, 5845336), (20, 4384002), (21, 4175240), (24, 3653335), (28, 3131430), (30, 2922668), (35, 2505144), (40, 2192001), (42, 2087620), (56, 1565715), (60, 1461334), (70, 1252572), (84, 1043810), (105, 835048), (120, 730667), (140, 626286), (168, 521905), (210, 417524), (280, 313143), (420, 208762), (840, 104381)]