405960360

素因数分解:

$2^3\times 3^1\times 5^1\times {\mathrm{13}}^1\times {\mathrm{260231}}^1$

素因数の和:260258

約数の個数: 64

約数和(自身を含む): 1311569280

約数和(自身を除く): 905608920

約数列:

[1, 2, 3, 4, 5, 6, 8, 10, 12, 13, 15, 20, 24, 26, 30, 39, 40, 52, 60, 65, 78, 104, 120, 130, 156, 195, 260, 312, 390, 520, 780, 1560, 260231, 520462, 780693, 1040924, 1301155, 1561386, 2081848, 2602310, 3122772, 3383003, 3903465, 5204620, 6245544, 6766006, 7806930, 10149009, 10409240, 13532012, 15613860, 16915015, 20298018, 27064024, 31227720, 33830030, 40596036, 50745045, 67660060, 81192072, 101490090, 135320120, 202980180, 405960360]

約数ペア:

[(1, 405960360), (2, 202980180), (3, 135320120), (4, 101490090), (5, 81192072), (6, 67660060), (8, 50745045), (10, 40596036), (12, 33830030), (13, 31227720), (15, 27064024), (20, 20298018), (24, 16915015), (26, 15613860), (30, 13532012), (39, 10409240), (40, 10149009), (52, 7806930), (60, 6766006), (65, 6245544), (78, 5204620), (104, 3903465), (120, 3383003), (130, 3122772), (156, 2602310), (195, 2081848), (260, 1561386), (312, 1301155), (390, 1040924), (520, 780693), (780, 520462), (1560, 260231)]