231161840

素因数分解:

$2^4\times 5^1\times 7^1\times {\mathrm{13}}^1\times {\mathrm{113}}^1\times {\mathrm{281}}^1$

素因数の和:427

約数の個数: 160

約数和(自身を含む): 669707136

約数和(自身を除く): 438545296

約数列:

[1, 2, 4, 5, 7, 8, 10, 13, 14, 16, 20, 26, 28, 35, 40, 52, 56, 65, 70, 80, 91, 104, 112, 113, 130, 140, 182, 208, 226, 260, 280, 281, 364, 452, 455, 520, 560, 562, 565, 728, 791, 904, 910, 1040, 1124, 1130, 1405, 1456, 1469, 1582, 1808, 1820, 1967, 2248, 2260, 2810, 2938, 3164, 3640, 3653, 3934, 3955, 4496, 4520, 5620, 5876, 6328, 7280, 7306, 7345, 7868, 7910, 9040, 9835, 10283, 11240, 11752, 12656, 14612, 14690, 15736, 15820, 18265, 19670, 20566, 22480, 23504, 25571, 29224, 29380, 31472, 31640, 31753, 36530, 39340, 41132, 51142, 51415, 58448, 58760, 63280, 63506, 73060, 78680, 82264, 102284, 102830, 117520, 127012, 127855, 146120, 157360, 158765, 164528, 204568, 205660, 222271, 254024, 255710, 292240, 317530, 409136, 411320, 412789, 444542, 508048, 511420, 635060, 822640, 825578, 889084, 1022840, 1111355, 1270120, 1651156, 1778168, 2045680, 2063945, 2222710, 2540240, 2889523, 3302312, 3556336, 4127890, 4445420, 5779046, 6604624, 8255780, 8890840, 11558092, 14447615, 16511560, 17781680, 23116184, 28895230, 33023120, 46232368, 57790460, 115580920, 231161840]

約数ペア:

[(1, 231161840), (2, 115580920), (4, 57790460), (5, 46232368), (7, 33023120), (8, 28895230), (10, 23116184), (13, 17781680), (14, 16511560), (16, 14447615), (20, 11558092), (26, 8890840), (28, 8255780), (35, 6604624), (40, 5779046), (52, 4445420), (56, 4127890), (65, 3556336), (70, 3302312), (80, 2889523), (91, 2540240), (104, 2222710), (112, 2063945), (113, 2045680), (130, 1778168), (140, 1651156), (182, 1270120), (208, 1111355), (226, 1022840), (260, 889084), (280, 825578), (281, 822640), (364, 635060), (452, 511420), (455, 508048), (520, 444542), (560, 412789), (562, 411320), (565, 409136), (728, 317530), (791, 292240), (904, 255710), (910, 254024), (1040, 222271), (1124, 205660), (1130, 204568), (1405, 164528), (1456, 158765), (1469, 157360), (1582, 146120), (1808, 127855), (1820, 127012), (1967, 117520), (2248, 102830), (2260, 102284), (2810, 82264), (2938, 78680), (3164, 73060), (3640, 63506), (3653, 63280), (3934, 58760), (3955, 58448), (4496, 51415), (4520, 51142), (5620, 41132), (5876, 39340), (6328, 36530), (7280, 31753), (7306, 31640), (7345, 31472), (7868, 29380), (7910, 29224), (9040, 25571), (9835, 23504), (10283, 22480), (11240, 20566), (11752, 19670), (12656, 18265), (14612, 15820), (14690, 15736)]