79939920

素因数分解:

$2^4\times 3^1\times 5^1\times {\mathrm{397}}^1\times {\mathrm{839}}^1$

素因数の和:1252

約数の個数: 80

約数和(自身を含む): 248734080

約数和(自身を除く): 168794160

約数列:

[1, 2, 3, 4, 5, 6, 8, 10, 12, 15, 16, 20, 24, 30, 40, 48, 60, 80, 120, 240, 397, 794, 839, 1191, 1588, 1678, 1985, 2382, 2517, 3176, 3356, 3970, 4195, 4764, 5034, 5955, 6352, 6712, 7940, 8390, 9528, 10068, 11910, 12585, 13424, 15880, 16780, 19056, 20136, 23820, 25170, 31760, 33560, 40272, 47640, 50340, 67120, 95280, 100680, 201360, 333083, 666166, 999249, 1332332, 1665415, 1998498, 2664664, 3330830, 3996996, 4996245, 5329328, 6661660, 7993992, 9992490, 13323320, 15987984, 19984980, 26646640, 39969960, 79939920]

約数ペア:

[(1, 79939920), (2, 39969960), (3, 26646640), (4, 19984980), (5, 15987984), (6, 13323320), (8, 9992490), (10, 7993992), (12, 6661660), (15, 5329328), (16, 4996245), (20, 3996996), (24, 3330830), (30, 2664664), (40, 1998498), (48, 1665415), (60, 1332332), (80, 999249), (120, 666166), (240, 333083), (397, 201360), (794, 100680), (839, 95280), (1191, 67120), (1588, 50340), (1678, 47640), (1985, 40272), (2382, 33560), (2517, 31760), (3176, 25170), (3356, 23820), (3970, 20136), (4195, 19056), (4764, 16780), (5034, 15880), (5955, 13424), (6352, 12585), (6712, 11910), (7940, 10068), (8390, 9528)]