31022160

素因数分解:

$2^4\times 3^1\times 5^1\times {\mathrm{13}}^1\times {\mathrm{61}}^1\times {\mathrm{163}}^1$

素因数の和:253

約数の個数: 160

約数和(自身を含む): 105909888

約数和(自身を除く): 74887728

約数列:

[1, 2, 3, 4, 5, 6, 8, 10, 12, 13, 15, 16, 20, 24, 26, 30, 39, 40, 48, 52, 60, 61, 65, 78, 80, 104, 120, 122, 130, 156, 163, 183, 195, 208, 240, 244, 260, 305, 312, 326, 366, 390, 488, 489, 520, 610, 624, 652, 732, 780, 793, 815, 915, 976, 978, 1040, 1220, 1304, 1464, 1560, 1586, 1630, 1830, 1956, 2119, 2379, 2440, 2445, 2608, 2928, 3120, 3172, 3260, 3660, 3912, 3965, 4238, 4758, 4880, 4890, 6344, 6357, 6520, 7320, 7824, 7930, 8476, 9516, 9780, 9943, 10595, 11895, 12688, 12714, 13040, 14640, 15860, 16952, 19032, 19560, 19886, 21190, 23790, 25428, 29829, 31720, 31785, 33904, 38064, 39120, 39772, 42380, 47580, 49715, 50856, 59658, 63440, 63570, 79544, 84760, 95160, 99430, 101712, 119316, 127140, 129259, 149145, 159088, 169520, 190320, 198860, 238632, 254280, 258518, 298290, 387777, 397720, 477264, 508560, 517036, 596580, 646295, 775554, 795440, 1034072, 1193160, 1292590, 1551108, 1938885, 2068144, 2386320, 2585180, 3102216, 3877770, 5170360, 6204432, 7755540, 10340720, 15511080, 31022160]

約数ペア:

[(1, 31022160), (2, 15511080), (3, 10340720), (4, 7755540), (5, 6204432), (6, 5170360), (8, 3877770), (10, 3102216), (12, 2585180), (13, 2386320), (15, 2068144), (16, 1938885), (20, 1551108), (24, 1292590), (26, 1193160), (30, 1034072), (39, 795440), (40, 775554), (48, 646295), (52, 596580), (60, 517036), (61, 508560), (65, 477264), (78, 397720), (80, 387777), (104, 298290), (120, 258518), (122, 254280), (130, 238632), (156, 198860), (163, 190320), (183, 169520), (195, 159088), (208, 149145), (240, 129259), (244, 127140), (260, 119316), (305, 101712), (312, 99430), (326, 95160), (366, 84760), (390, 79544), (488, 63570), (489, 63440), (520, 59658), (610, 50856), (624, 49715), (652, 47580), (732, 42380), (780, 39772), (793, 39120), (815, 38064), (915, 33904), (976, 31785), (978, 31720), (1040, 29829), (1220, 25428), (1304, 23790), (1464, 21190), (1560, 19886), (1586, 19560), (1630, 19032), (1830, 16952), (1956, 15860), (2119, 14640), (2379, 13040), (2440, 12714), (2445, 12688), (2608, 11895), (2928, 10595), (3120, 9943), (3172, 9780), (3260, 9516), (3660, 8476), (3912, 7930), (3965, 7824), (4238, 7320), (4758, 6520), (4880, 6357), (4890, 6344)]