156941720

素因数分解:

$2^3\times 5^1\times {\mathrm{13}}^1\times {\mathrm{137}}^1\times {\mathrm{2203}}^1$

素因数の和:2364

約数の個数: 64

約数和(自身を含む): 383231520

約数和(自身を除く): 226289800

約数列:

[1, 2, 4, 5, 8, 10, 13, 20, 26, 40, 52, 65, 104, 130, 137, 260, 274, 520, 548, 685, 1096, 1370, 1781, 2203, 2740, 3562, 4406, 5480, 7124, 8812, 8905, 11015, 14248, 17624, 17810, 22030, 28639, 35620, 44060, 57278, 71240, 88120, 114556, 143195, 229112, 286390, 301811, 572780, 603622, 1145560, 1207244, 1509055, 2414488, 3018110, 3923543, 6036220, 7847086, 12072440, 15694172, 19617715, 31388344, 39235430, 78470860, 156941720]

約数ペア:

[(1, 156941720), (2, 78470860), (4, 39235430), (5, 31388344), (8, 19617715), (10, 15694172), (13, 12072440), (20, 7847086), (26, 6036220), (40, 3923543), (52, 3018110), (65, 2414488), (104, 1509055), (130, 1207244), (137, 1145560), (260, 603622), (274, 572780), (520, 301811), (548, 286390), (685, 229112), (1096, 143195), (1370, 114556), (1781, 88120), (2203, 71240), (2740, 57278), (3562, 44060), (4406, 35620), (5480, 28639), (7124, 22030), (8812, 17810), (8905, 17624), (11015, 14248)]