61251320

素因数分解:

$2^3\times 5^1\times {\mathrm{13}}^1\times {\mathrm{61}}^1\times {\mathrm{1931}}^1$

素因数の和:2016

約数の個数: 64

約数和(自身を含む): 150927840

約数和(自身を除く): 89676520

約数列:

[1, 2, 4, 5, 8, 10, 13, 20, 26, 40, 52, 61, 65, 104, 122, 130, 244, 260, 305, 488, 520, 610, 793, 1220, 1586, 1931, 2440, 3172, 3862, 3965, 6344, 7724, 7930, 9655, 15448, 15860, 19310, 25103, 31720, 38620, 50206, 77240, 100412, 117791, 125515, 200824, 235582, 251030, 471164, 502060, 588955, 942328, 1004120, 1177910, 1531283, 2355820, 3062566, 4711640, 6125132, 7656415, 12250264, 15312830, 30625660, 61251320]

約数ペア:

[(1, 61251320), (2, 30625660), (4, 15312830), (5, 12250264), (8, 7656415), (10, 6125132), (13, 4711640), (20, 3062566), (26, 2355820), (40, 1531283), (52, 1177910), (61, 1004120), (65, 942328), (104, 588955), (122, 502060), (130, 471164), (244, 251030), (260, 235582), (305, 200824), (488, 125515), (520, 117791), (610, 100412), (793, 77240), (1220, 50206), (1586, 38620), (1931, 31720), (2440, 25103), (3172, 19310), (3862, 15860), (3965, 15448), (6344, 9655), (7724, 7930)]