61255320

素因数分解:

$2^3\times 3^1\times 5^1\times 7^1\times {\mathrm{72923}}^1$

素因数の和:72944

約数の個数: 64

約数和(自身を含む): 210021120

約数和(自身を除く): 148765800

約数列:

[1, 2, 3, 4, 5, 6, 7, 8, 10, 12, 14, 15, 20, 21, 24, 28, 30, 35, 40, 42, 56, 60, 70, 84, 105, 120, 140, 168, 210, 280, 420, 840, 72923, 145846, 218769, 291692, 364615, 437538, 510461, 583384, 729230, 875076, 1020922, 1093845, 1458460, 1531383, 1750152, 2041844, 2187690, 2552305, 2916920, 3062766, 4083688, 4375380, 5104610, 6125532, 7656915, 8750760, 10209220, 12251064, 15313830, 20418440, 30627660, 61255320]

約数ペア:

[(1, 61255320), (2, 30627660), (3, 20418440), (4, 15313830), (5, 12251064), (6, 10209220), (7, 8750760), (8, 7656915), (10, 6125532), (12, 5104610), (14, 4375380), (15, 4083688), (20, 3062766), (21, 2916920), (24, 2552305), (28, 2187690), (30, 2041844), (35, 1750152), (40, 1531383), (42, 1458460), (56, 1093845), (60, 1020922), (70, 875076), (84, 729230), (105, 583384), (120, 510461), (140, 437538), (168, 364615), (210, 291692), (280, 218769), (420, 145846), (840, 72923)]