1557202920

素因数分解:

$2^3\times 3^1\times 5^1\times 7^1\times {\mathrm{13}}^1\times {\mathrm{142601}}^1$

素因数の和:142635

約数の個数: 128

約数和(自身を含む): 5749712640

約数和(自身を除く): 4192509720

約数列:

[1, 2, 3, 4, 5, 6, 7, 8, 10, 12, 13, 14, 15, 20, 21, 24, 26, 28, 30, 35, 39, 40, 42, 52, 56, 60, 65, 70, 78, 84, 91, 104, 105, 120, 130, 140, 156, 168, 182, 195, 210, 260, 273, 280, 312, 364, 390, 420, 455, 520, 546, 728, 780, 840, 910, 1092, 1365, 1560, 1820, 2184, 2730, 3640, 5460, 10920, 142601, 285202, 427803, 570404, 713005, 855606, 998207, 1140808, 1426010, 1711212, 1853813, 1996414, 2139015, 2852020, 2994621, 3422424, 3707626, 3992828, 4278030, 4991035, 5561439, 5704040, 5989242, 7415252, 7985656, 8556060, 9269065, 9982070, 11122878, 11978484, 12976691, 14830504, 14973105, 17112120, 18538130, 19964140, 22245756, 23956968, 25953382, 27807195, 29946210, 37076260, 38930073, 39928280, 44491512, 51906764, 55614390, 59892420, 64883455, 74152520, 77860146, 103813528, 111228780, 119784840, 129766910, 155720292, 194650365, 222457560, 259533820, 311440584, 389300730, 519067640, 778601460, 1557202920]

約数ペア:

[(1, 1557202920), (2, 778601460), (3, 519067640), (4, 389300730), (5, 311440584), (6, 259533820), (7, 222457560), (8, 194650365), (10, 155720292), (12, 129766910), (13, 119784840), (14, 111228780), (15, 103813528), (20, 77860146), (21, 74152520), (24, 64883455), (26, 59892420), (28, 55614390), (30, 51906764), (35, 44491512), (39, 39928280), (40, 38930073), (42, 37076260), (52, 29946210), (56, 27807195), (60, 25953382), (65, 23956968), (70, 22245756), (78, 19964140), (84, 18538130), (91, 17112120), (104, 14973105), (105, 14830504), (120, 12976691), (130, 11978484), (140, 11122878), (156, 9982070), (168, 9269065), (182, 8556060), (195, 7985656), (210, 7415252), (260, 5989242), (273, 5704040), (280, 5561439), (312, 4991035), (364, 4278030), (390, 3992828), (420, 3707626), (455, 3422424), (520, 2994621), (546, 2852020), (728, 2139015), (780, 1996414), (840, 1853813), (910, 1711212), (1092, 1426010), (1365, 1140808), (1560, 998207), (1820, 855606), (2184, 713005), (2730, 570404), (3640, 427803), (5460, 285202), (10920, 142601)]