63217960

素因数分解:

$2^3\times 5^1\times {\mathrm{13}}^1\times {\mathrm{61}}^1\times {\mathrm{1993}}^1$

素因数の和:2078

約数の個数: 64

約数和(自身を含む): 155771280

約数和(自身を除く): 92553320

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, 1993, 2440, 3172, 3965, 3986, 6344, 7930, 7972, 9965, 15860, 15944, 19930, 25909, 31720, 39860, 51818, 79720, 103636, 121573, 129545, 207272, 243146, 259090, 486292, 518180, 607865, 972584, 1036360, 1215730, 1580449, 2431460, 3160898, 4862920, 6321796, 7902245, 12643592, 15804490, 31608980, 63217960]

約数ペア:

[(1, 63217960), (2, 31608980), (4, 15804490), (5, 12643592), (8, 7902245), (10, 6321796), (13, 4862920), (20, 3160898), (26, 2431460), (40, 1580449), (52, 1215730), (61, 1036360), (65, 972584), (104, 607865), (122, 518180), (130, 486292), (244, 259090), (260, 243146), (305, 207272), (488, 129545), (520, 121573), (610, 103636), (793, 79720), (1220, 51818), (1586, 39860), (1993, 31720), (2440, 25909), (3172, 19930), (3965, 15944), (3986, 15860), (6344, 9965), (7930, 7972)]