61240720

素因数分解:

$2^4\times 5^1\times {\mathrm{23}}^1\times {\mathrm{83}}^1\times {\mathrm{401}}^1$

素因数の和:520

約数の個数: 80

約数和(自身を含む): 150740352

約数和(自身を除く): 89499632

約数列:

[1, 2, 4, 5, 8, 10, 16, 20, 23, 40, 46, 80, 83, 92, 115, 166, 184, 230, 332, 368, 401, 415, 460, 664, 802, 830, 920, 1328, 1604, 1660, 1840, 1909, 2005, 3208, 3320, 3818, 4010, 6416, 6640, 7636, 8020, 9223, 9545, 15272, 16040, 18446, 19090, 30544, 32080, 33283, 36892, 38180, 46115, 66566, 73784, 76360, 92230, 133132, 147568, 152720, 166415, 184460, 266264, 332830, 368920, 532528, 665660, 737840, 765509, 1331320, 1531018, 2662640, 3062036, 3827545, 6124072, 7655090, 12248144, 15310180, 30620360, 61240720]

約数ペア:

[(1, 61240720), (2, 30620360), (4, 15310180), (5, 12248144), (8, 7655090), (10, 6124072), (16, 3827545), (20, 3062036), (23, 2662640), (40, 1531018), (46, 1331320), (80, 765509), (83, 737840), (92, 665660), (115, 532528), (166, 368920), (184, 332830), (230, 266264), (332, 184460), (368, 166415), (401, 152720), (415, 147568), (460, 133132), (664, 92230), (802, 76360), (830, 73784), (920, 66566), (1328, 46115), (1604, 38180), (1660, 36892), (1840, 33283), (1909, 32080), (2005, 30544), (3208, 19090), (3320, 18446), (3818, 16040), (4010, 15272), (6416, 9545), (6640, 9223), (7636, 8020)]