239956920

素因数分解:

$2^3\times 3^2\times 5^1\times 7^2\times {\mathrm{61}}^1\times {\mathrm{223}}^1$

素因数の和:315

約数の個数: 288

約数和(自身を含む): 926190720

約数和(自身を除く): 686233800

約数列:

[1, 2, 3, 4, 5, 6, 7, 8, 9, 10, 12, 14, 15, 18, 20, 21, 24, 28, 30, 35, 36, 40, 42, 45, 49, 56, 60, 61, 63, 70, 72, 84, 90, 98, 105, 120, 122, 126, 140, 147, 168, 180, 183, 196, 210, 223, 244, 245, 252, 280, 294, 305, 315, 360, 366, 392, 420, 427, 441, 446, 488, 490, 504, 549, 588, 610, 630, 669, 732, 735, 840, 854, 882, 892, 915, 980, 1098, 1115, 1176, 1220, 1260, 1281, 1338, 1464, 1470, 1561, 1708, 1764, 1784, 1830, 1960, 2007, 2135, 2196, 2205, 2230, 2440, 2520, 2562, 2676, 2745, 2940, 2989, 3122, 3345, 3416, 3528, 3660, 3843, 4014, 4270, 4392, 4410, 4460, 4683, 5124, 5352, 5490, 5880, 5978, 6244, 6405, 6690, 7320, 7686, 7805, 8028, 8540, 8820, 8920, 8967, 9366, 10035, 10248, 10927, 10980, 11956, 12488, 12810, 13380, 13603, 14049, 14945, 15372, 15610, 16056, 17080, 17640, 17934, 18732, 19215, 20070, 21854, 21960, 23415, 23912, 25620, 26760, 26901, 27206, 28098, 29890, 30744, 31220, 32781, 35868, 37464, 38430, 40140, 40809, 43708, 44835, 46830, 51240, 53802, 54412, 54635, 56196, 59780, 62440, 65562, 68015, 70245, 71736, 76860, 80280, 81618, 87416, 89670, 93660, 95221, 98343, 107604, 108824, 109270, 112392, 119560, 122427, 131124, 134505, 136030, 140490, 153720, 163236, 163905, 179340, 187320, 190442, 196686, 204045, 215208, 218540, 244854, 262248, 269010, 272060, 280980, 285663, 326472, 327810, 358680, 380884, 393372, 408090, 437080, 476105, 489708, 491715, 538020, 544120, 561960, 571326, 612135, 655620, 666547, 761768, 786744, 816180, 856989, 952210, 979416, 983430, 1076040, 1142652, 1224270, 1311240, 1333094, 1428315, 1632360, 1713978, 1904420, 1966860, 1999641, 2285304, 2448540, 2666188, 2856630, 3332735, 3427956, 3808840, 3933720, 3999282, 4284945, 4897080, 5332376, 5713260, 5998923, 6665470, 6855912, 7998564, 8569890, 9998205, 11426520, 11997846, 13330940, 15997128, 17139780, 19996410, 23995692, 26661880, 29994615, 34279560, 39992820, 47991384, 59989230, 79985640, 119978460, 239956920]

約数ペア:

[(1, 239956920), (2, 119978460), (3, 79985640), (4, 59989230), (5, 47991384), (6, 39992820), (7, 34279560), (8, 29994615), (9, 26661880), (10, 23995692), (12, 19996410), (14, 17139780), (15, 15997128), (18, 13330940), (20, 11997846), (21, 11426520), (24, 9998205), (28, 8569890), (30, 7998564), (35, 6855912), (36, 6665470), (40, 5998923), (42, 5713260), (45, 5332376), (49, 4897080), (56, 4284945), (60, 3999282), (61, 3933720), (63, 3808840), (70, 3427956), (72, 3332735), (84, 2856630), (90, 2666188), (98, 2448540), (105, 2285304), (120, 1999641), (122, 1966860), (126, 1904420), (140, 1713978), (147, 1632360), (168, 1428315), (180, 1333094), (183, 1311240), (196, 1224270), (210, 1142652), (223, 1076040), (244, 983430), (245, 979416), (252, 952210), (280, 856989), (294, 816180), (305, 786744), (315, 761768), (360, 666547), (366, 655620), (392, 612135), (420, 571326), (427, 561960), (441, 544120), (446, 538020), (488, 491715), (490, 489708), (504, 476105), (549, 437080), (588, 408090), (610, 393372), (630, 380884), (669, 358680), (732, 327810), (735, 326472), (840, 285663), (854, 280980), (882, 272060), (892, 269010), (915, 262248), (980, 244854), (1098, 218540), (1115, 215208), (1176, 204045), (1220, 196686), (1260, 190442), (1281, 187320), (1338, 179340), (1464, 163905), (1470, 163236), (1561, 153720), (1708, 140490), (1764, 136030), (1784, 134505), (1830, 131124), (1960, 122427), (2007, 119560), (2135, 112392), (2196, 109270), (2205, 108824), (2230, 107604), (2440, 98343), (2520, 95221), (2562, 93660), (2676, 89670), (2745, 87416), (2940, 81618), (2989, 80280), (3122, 76860), (3345, 71736), (3416, 70245), (3528, 68015), (3660, 65562), (3843, 62440), (4014, 59780), (4270, 56196), (4392, 54635), (4410, 54412), (4460, 53802), (4683, 51240), (5124, 46830), (5352, 44835), (5490, 43708), (5880, 40809), (5978, 40140), (6244, 38430), (6405, 37464), (6690, 35868), (7320, 32781), (7686, 31220), (7805, 30744), (8028, 29890), (8540, 28098), (8820, 27206), (8920, 26901), (8967, 26760), (9366, 25620), (10035, 23912), (10248, 23415), (10927, 21960), (10980, 21854), (11956, 20070), (12488, 19215), (12810, 18732), (13380, 17934), (13603, 17640), (14049, 17080), (14945, 16056), (15372, 15610)]