30641520

素因数分解:

$2^4\times 3^1\times 5^1\times 7^1\times {\mathrm{13}}^1\times {\mathrm{23}}^1\times {\mathrm{61}}^1$

素因数の和:120

約数の個数: 320

約数和(自身を含む): 123992064

約数和(自身を除く): 93350544

約数列:

[1, 2, 3, 4, 5, 6, 7, 8, 10, 12, 13, 14, 15, 16, 20, 21, 23, 24, 26, 28, 30, 35, 39, 40, 42, 46, 48, 52, 56, 60, 61, 65, 69, 70, 78, 80, 84, 91, 92, 104, 105, 112, 115, 120, 122, 130, 138, 140, 156, 161, 168, 182, 183, 184, 195, 208, 210, 230, 240, 244, 260, 273, 276, 280, 299, 305, 312, 322, 336, 345, 364, 366, 368, 390, 420, 427, 455, 460, 483, 488, 520, 546, 552, 560, 598, 610, 624, 644, 690, 728, 732, 780, 793, 805, 840, 854, 897, 910, 915, 920, 966, 976, 1040, 1092, 1104, 1196, 1220, 1281, 1288, 1365, 1380, 1403, 1456, 1464, 1495, 1560, 1586, 1610, 1680, 1708, 1794, 1820, 1830, 1840, 1932, 2093, 2135, 2184, 2379, 2392, 2415, 2440, 2562, 2576, 2730, 2760, 2806, 2928, 2990, 3120, 3172, 3220, 3416, 3588, 3640, 3660, 3864, 3965, 4186, 4209, 4270, 4368, 4485, 4758, 4784, 4830, 4880, 5124, 5460, 5520, 5551, 5612, 5980, 6279, 6344, 6405, 6440, 6832, 7015, 7176, 7280, 7320, 7728, 7930, 8372, 8418, 8540, 8970, 9516, 9660, 9821, 10248, 10465, 10920, 11102, 11224, 11895, 11960, 12558, 12688, 12810, 12880, 14030, 14352, 14640, 15860, 16653, 16744, 16836, 17080, 17940, 18239, 19032, 19320, 19642, 20496, 20930, 21045, 21840, 22204, 22448, 23790, 23920, 25116, 25620, 27755, 28060, 29463, 31395, 31720, 33306, 33488, 33672, 34160, 35880, 36478, 38064, 38640, 39284, 41860, 42090, 44408, 47580, 49105, 50232, 51240, 54717, 55510, 56120, 58926, 62790, 63440, 66612, 67344, 71760, 72956, 78568, 83265, 83720, 84180, 88816, 91195, 95160, 98210, 100464, 102480, 109434, 111020, 112240, 117852, 125580, 127673, 133224, 145912, 147315, 157136, 166530, 167440, 168360, 182390, 190320, 196420, 218868, 222040, 235704, 251160, 255346, 266448, 273585, 291824, 294630, 333060, 336720, 364780, 383019, 392840, 437736, 444080, 471408, 502320, 510692, 547170, 589260, 638365, 666120, 729560, 766038, 785680, 875472, 1021384, 1094340, 1178520, 1276730, 1332240, 1459120, 1532076, 1915095, 2042768, 2188680, 2357040, 2553460, 3064152, 3830190, 4377360, 5106920, 6128304, 7660380, 10213840, 15320760, 30641520]

約数ペア:

[(1, 30641520), (2, 15320760), (3, 10213840), (4, 7660380), (5, 6128304), (6, 5106920), (7, 4377360), (8, 3830190), (10, 3064152), (12, 2553460), (13, 2357040), (14, 2188680), (15, 2042768), (16, 1915095), (20, 1532076), (21, 1459120), (23, 1332240), (24, 1276730), (26, 1178520), (28, 1094340), (30, 1021384), (35, 875472), (39, 785680), (40, 766038), (42, 729560), (46, 666120), (48, 638365), (52, 589260), (56, 547170), (60, 510692), (61, 502320), (65, 471408), (69, 444080), (70, 437736), (78, 392840), (80, 383019), (84, 364780), (91, 336720), (92, 333060), (104, 294630), (105, 291824), (112, 273585), (115, 266448), (120, 255346), (122, 251160), (130, 235704), (138, 222040), (140, 218868), (156, 196420), (161, 190320), (168, 182390), (182, 168360), (183, 167440), (184, 166530), (195, 157136), (208, 147315), (210, 145912), (230, 133224), (240, 127673), (244, 125580), (260, 117852), (273, 112240), (276, 111020), (280, 109434), (299, 102480), (305, 100464), (312, 98210), (322, 95160), (336, 91195), (345, 88816), (364, 84180), (366, 83720), (368, 83265), (390, 78568), (420, 72956), (427, 71760), (455, 67344), (460, 66612), (483, 63440), (488, 62790), (520, 58926), (546, 56120), (552, 55510), (560, 54717), (598, 51240), (610, 50232), (624, 49105), (644, 47580), (690, 44408), (728, 42090), (732, 41860), (780, 39284), (793, 38640), (805, 38064), (840, 36478), (854, 35880), (897, 34160), (910, 33672), (915, 33488), (920, 33306), (966, 31720), (976, 31395), (1040, 29463), (1092, 28060), (1104, 27755), (1196, 25620), (1220, 25116), (1281, 23920), (1288, 23790), (1365, 22448), (1380, 22204), (1403, 21840), (1456, 21045), (1464, 20930), (1495, 20496), (1560, 19642), (1586, 19320), (1610, 19032), (1680, 18239), (1708, 17940), (1794, 17080), (1820, 16836), (1830, 16744), (1840, 16653), (1932, 15860), (2093, 14640), (2135, 14352), (2184, 14030), (2379, 12880), (2392, 12810), (2415, 12688), (2440, 12558), (2562, 11960), (2576, 11895), (2730, 11224), (2760, 11102), (2806, 10920), (2928, 10465), (2990, 10248), (3120, 9821), (3172, 9660), (3220, 9516), (3416, 8970), (3588, 8540), (3640, 8418), (3660, 8372), (3864, 7930), (3965, 7728), (4186, 7320), (4209, 7280), (4270, 7176), (4368, 7015), (4485, 6832), (4758, 6440), (4784, 6405), (4830, 6344), (4880, 6279), (5124, 5980), (5460, 5612), (5520, 5551)]