231143640

素因数分解:

$2^3\times 3^1\times 5^1\times 7^1\times {\mathrm{13}}^1\times {\mathrm{61}}^1\times {\mathrm{347}}^1$

素因数の和:442

約数の個数: 256

約数和(自身を含む): 869944320

約数和(自身を除く): 638800680

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, 61, 65, 70, 78, 84, 91, 104, 105, 120, 122, 130, 140, 156, 168, 182, 183, 195, 210, 244, 260, 273, 280, 305, 312, 347, 364, 366, 390, 420, 427, 455, 488, 520, 546, 610, 694, 728, 732, 780, 793, 840, 854, 910, 915, 1041, 1092, 1220, 1281, 1365, 1388, 1464, 1560, 1586, 1708, 1735, 1820, 1830, 2082, 2135, 2184, 2379, 2429, 2440, 2562, 2730, 2776, 3172, 3416, 3470, 3640, 3660, 3965, 4164, 4270, 4511, 4758, 4858, 5124, 5205, 5460, 5551, 6344, 6405, 6940, 7287, 7320, 7930, 8328, 8540, 9022, 9516, 9716, 10248, 10410, 10920, 11102, 11895, 12145, 12810, 13533, 13880, 14574, 15860, 16653, 17080, 18044, 19032, 19432, 20820, 21167, 22204, 22555, 23790, 24290, 25620, 27066, 27755, 29148, 31577, 31720, 33306, 36088, 36435, 41640, 42334, 44408, 45110, 47580, 48580, 51240, 54132, 55510, 58296, 63154, 63501, 66612, 67665, 72870, 83265, 84668, 90220, 94731, 95160, 97160, 105835, 108264, 111020, 126308, 127002, 133224, 135330, 145740, 148169, 157885, 166530, 169336, 180440, 189462, 211670, 222040, 252616, 254004, 270660, 275171, 291480, 296338, 315770, 317505, 333060, 378924, 423340, 444507, 473655, 508008, 541320, 550342, 592676, 631540, 635010, 666120, 740845, 757848, 825513, 846680, 889014, 947310, 1100684, 1185352, 1263080, 1270020, 1375855, 1481690, 1651026, 1778028, 1894620, 1926197, 2201368, 2222535, 2540040, 2751710, 2963380, 3302052, 3556056, 3789240, 3852394, 4127565, 4445070, 5503420, 5778591, 5926760, 6604104, 7704788, 8255130, 8890140, 9630985, 11006840, 11557182, 15409576, 16510260, 17780280, 19261970, 23114364, 28892955, 33020520, 38523940, 46228728, 57785910, 77047880, 115571820, 231143640]

約数ペア:

[(1, 231143640), (2, 115571820), (3, 77047880), (4, 57785910), (5, 46228728), (6, 38523940), (7, 33020520), (8, 28892955), (10, 23114364), (12, 19261970), (13, 17780280), (14, 16510260), (15, 15409576), (20, 11557182), (21, 11006840), (24, 9630985), (26, 8890140), (28, 8255130), (30, 7704788), (35, 6604104), (39, 5926760), (40, 5778591), (42, 5503420), (52, 4445070), (56, 4127565), (60, 3852394), (61, 3789240), (65, 3556056), (70, 3302052), (78, 2963380), (84, 2751710), (91, 2540040), (104, 2222535), (105, 2201368), (120, 1926197), (122, 1894620), (130, 1778028), (140, 1651026), (156, 1481690), (168, 1375855), (182, 1270020), (183, 1263080), (195, 1185352), (210, 1100684), (244, 947310), (260, 889014), (273, 846680), (280, 825513), (305, 757848), (312, 740845), (347, 666120), (364, 635010), (366, 631540), (390, 592676), (420, 550342), (427, 541320), (455, 508008), (488, 473655), (520, 444507), (546, 423340), (610, 378924), (694, 333060), (728, 317505), (732, 315770), (780, 296338), (793, 291480), (840, 275171), (854, 270660), (910, 254004), (915, 252616), (1041, 222040), (1092, 211670), (1220, 189462), (1281, 180440), (1365, 169336), (1388, 166530), (1464, 157885), (1560, 148169), (1586, 145740), (1708, 135330), (1735, 133224), (1820, 127002), (1830, 126308), (2082, 111020), (2135, 108264), (2184, 105835), (2379, 97160), (2429, 95160), (2440, 94731), (2562, 90220), (2730, 84668), (2776, 83265), (3172, 72870), (3416, 67665), (3470, 66612), (3640, 63501), (3660, 63154), (3965, 58296), (4164, 55510), (4270, 54132), (4511, 51240), (4758, 48580), (4858, 47580), (5124, 45110), (5205, 44408), (5460, 42334), (5551, 41640), (6344, 36435), (6405, 36088), (6940, 33306), (7287, 31720), (7320, 31577), (7930, 29148), (8328, 27755), (8540, 27066), (9022, 25620), (9516, 24290), (9716, 23790), (10248, 22555), (10410, 22204), (10920, 21167), (11102, 20820), (11895, 19432), (12145, 19032), (12810, 18044), (13533, 17080), (13880, 16653), (14574, 15860)]