30972720

素因数分解:

$2^4\times 3^1\times 5^1\times {\mathrm{23}}^1\times {\mathrm{31}}^1\times {\mathrm{181}}^1$

素因数の和:251

約数の個数: 160

約数和(自身を含む): 103993344

約数和(自身を除く): 73020624

約数列:

[1, 2, 3, 4, 5, 6, 8, 10, 12, 15, 16, 20, 23, 24, 30, 31, 40, 46, 48, 60, 62, 69, 80, 92, 93, 115, 120, 124, 138, 155, 181, 184, 186, 230, 240, 248, 276, 310, 345, 362, 368, 372, 460, 465, 496, 543, 552, 620, 690, 713, 724, 744, 905, 920, 930, 1086, 1104, 1240, 1380, 1426, 1448, 1488, 1810, 1840, 1860, 2139, 2172, 2480, 2715, 2760, 2852, 2896, 3565, 3620, 3720, 4163, 4278, 4344, 5430, 5520, 5611, 5704, 7130, 7240, 7440, 8326, 8556, 8688, 10695, 10860, 11222, 11408, 12489, 14260, 14480, 16652, 16833, 17112, 20815, 21390, 21720, 22444, 24978, 28055, 28520, 33304, 33666, 34224, 41630, 42780, 43440, 44888, 49956, 56110, 57040, 62445, 66608, 67332, 83260, 84165, 85560, 89776, 99912, 112220, 124890, 129053, 134664, 166520, 168330, 171120, 199824, 224440, 249780, 258106, 269328, 333040, 336660, 387159, 448880, 499560, 516212, 645265, 673320, 774318, 999120, 1032424, 1290530, 1346640, 1548636, 1935795, 2064848, 2581060, 3097272, 3871590, 5162120, 6194544, 7743180, 10324240, 15486360, 30972720]

約数ペア:

[(1, 30972720), (2, 15486360), (3, 10324240), (4, 7743180), (5, 6194544), (6, 5162120), (8, 3871590), (10, 3097272), (12, 2581060), (15, 2064848), (16, 1935795), (20, 1548636), (23, 1346640), (24, 1290530), (30, 1032424), (31, 999120), (40, 774318), (46, 673320), (48, 645265), (60, 516212), (62, 499560), (69, 448880), (80, 387159), (92, 336660), (93, 333040), (115, 269328), (120, 258106), (124, 249780), (138, 224440), (155, 199824), (181, 171120), (184, 168330), (186, 166520), (230, 134664), (240, 129053), (248, 124890), (276, 112220), (310, 99912), (345, 89776), (362, 85560), (368, 84165), (372, 83260), (460, 67332), (465, 66608), (496, 62445), (543, 57040), (552, 56110), (620, 49956), (690, 44888), (713, 43440), (724, 42780), (744, 41630), (905, 34224), (920, 33666), (930, 33304), (1086, 28520), (1104, 28055), (1240, 24978), (1380, 22444), (1426, 21720), (1448, 21390), (1488, 20815), (1810, 17112), (1840, 16833), (1860, 16652), (2139, 14480), (2172, 14260), (2480, 12489), (2715, 11408), (2760, 11222), (2852, 10860), (2896, 10695), (3565, 8688), (3620, 8556), (3720, 8326), (4163, 7440), (4278, 7240), (4344, 7130), (5430, 5704), (5520, 5611)]