72065080

素因数分解:

$2^3\times 5^1\times {\mathrm{31}}^1\times {\mathrm{89}}^1\times {\mathrm{653}}^1$

素因数の和:784

約数の個数: 64

約数和(自身を含む): 169516800

約数和(自身を除く): 97451720

約数列:

[1, 2, 4, 5, 8, 10, 20, 31, 40, 62, 89, 124, 155, 178, 248, 310, 356, 445, 620, 653, 712, 890, 1240, 1306, 1780, 2612, 2759, 3265, 3560, 5224, 5518, 6530, 11036, 13060, 13795, 20243, 22072, 26120, 27590, 40486, 55180, 58117, 80972, 101215, 110360, 116234, 161944, 202430, 232468, 290585, 404860, 464936, 581170, 809720, 1162340, 1801627, 2324680, 3603254, 7206508, 9008135, 14413016, 18016270, 36032540, 72065080]

約数ペア:

[(1, 72065080), (2, 36032540), (4, 18016270), (5, 14413016), (8, 9008135), (10, 7206508), (20, 3603254), (31, 2324680), (40, 1801627), (62, 1162340), (89, 809720), (124, 581170), (155, 464936), (178, 404860), (248, 290585), (310, 232468), (356, 202430), (445, 161944), (620, 116234), (653, 110360), (712, 101215), (890, 80972), (1240, 58117), (1306, 55180), (1780, 40486), (2612, 27590), (2759, 26120), (3265, 22072), (3560, 20243), (5224, 13795), (5518, 13060), (6530, 11036)]