131404980

素因数分解:

$2^2\times 3^1\times 5^1\times 7^1\times {\mathrm{23}}^1\times {\mathrm{61}}^1\times {\mathrm{223}}^1$

素因数の和:326

約数の個数: 192

約数和(自身を含む): 447971328

約数和(自身を除く): 316566348

約数列:

[1, 2, 3, 4, 5, 6, 7, 10, 12, 14, 15, 20, 21, 23, 28, 30, 35, 42, 46, 60, 61, 69, 70, 84, 92, 105, 115, 122, 138, 140, 161, 183, 210, 223, 230, 244, 276, 305, 322, 345, 366, 420, 427, 446, 460, 483, 610, 644, 669, 690, 732, 805, 854, 892, 915, 966, 1115, 1220, 1281, 1338, 1380, 1403, 1561, 1610, 1708, 1830, 1932, 2135, 2230, 2415, 2562, 2676, 2806, 3122, 3220, 3345, 3660, 4209, 4270, 4460, 4683, 4830, 5124, 5129, 5612, 6244, 6405, 6690, 7015, 7805, 8418, 8540, 9366, 9660, 9821, 10258, 12810, 13380, 13603, 14030, 15387, 15610, 16836, 18732, 19642, 20516, 21045, 23415, 25620, 25645, 27206, 28060, 29463, 30774, 31220, 35903, 39284, 40809, 42090, 46830, 49105, 51290, 54412, 58926, 61548, 68015, 71806, 76935, 81618, 84180, 93660, 95221, 98210, 102580, 107709, 117852, 136030, 143612, 147315, 153870, 163236, 179515, 190442, 196420, 204045, 215418, 272060, 285663, 294630, 307740, 312869, 359030, 380884, 408090, 430836, 476105, 538545, 571326, 589260, 625738, 718060, 816180, 938607, 952210, 1077090, 1142652, 1251476, 1428315, 1564345, 1877214, 1904420, 2154180, 2190083, 2856630, 3128690, 3754428, 4380166, 4693035, 5713260, 6257380, 6570249, 8760332, 9386070, 10950415, 13140498, 18772140, 21900830, 26280996, 32851245, 43801660, 65702490, 131404980]

約数ペア:

[(1, 131404980), (2, 65702490), (3, 43801660), (4, 32851245), (5, 26280996), (6, 21900830), (7, 18772140), (10, 13140498), (12, 10950415), (14, 9386070), (15, 8760332), (20, 6570249), (21, 6257380), (23, 5713260), (28, 4693035), (30, 4380166), (35, 3754428), (42, 3128690), (46, 2856630), (60, 2190083), (61, 2154180), (69, 1904420), (70, 1877214), (84, 1564345), (92, 1428315), (105, 1251476), (115, 1142652), (122, 1077090), (138, 952210), (140, 938607), (161, 816180), (183, 718060), (210, 625738), (223, 589260), (230, 571326), (244, 538545), (276, 476105), (305, 430836), (322, 408090), (345, 380884), (366, 359030), (420, 312869), (427, 307740), (446, 294630), (460, 285663), (483, 272060), (610, 215418), (644, 204045), (669, 196420), (690, 190442), (732, 179515), (805, 163236), (854, 153870), (892, 147315), (915, 143612), (966, 136030), (1115, 117852), (1220, 107709), (1281, 102580), (1338, 98210), (1380, 95221), (1403, 93660), (1561, 84180), (1610, 81618), (1708, 76935), (1830, 71806), (1932, 68015), (2135, 61548), (2230, 58926), (2415, 54412), (2562, 51290), (2676, 49105), (2806, 46830), (3122, 42090), (3220, 40809), (3345, 39284), (3660, 35903), (4209, 31220), (4270, 30774), (4460, 29463), (4683, 28060), (4830, 27206), (5124, 25645), (5129, 25620), (5612, 23415), (6244, 21045), (6405, 20516), (6690, 19642), (7015, 18732), (7805, 16836), (8418, 15610), (8540, 15387), (9366, 14030), (9660, 13603), (9821, 13380), (10258, 12810)]