72215120

素因数分解:

$2^4\times 5^1\times {\mathrm{31}}^1\times {\mathrm{37}}^1\times {\mathrm{787}}^1$

素因数の和:868

約数の個数: 80

約数和(自身を含む): 178226688

約数和(自身を除く): 106011568

約数列:

[1, 2, 4, 5, 8, 10, 16, 20, 31, 37, 40, 62, 74, 80, 124, 148, 155, 185, 248, 296, 310, 370, 496, 592, 620, 740, 787, 1147, 1240, 1480, 1574, 2294, 2480, 2960, 3148, 3935, 4588, 5735, 6296, 7870, 9176, 11470, 12592, 15740, 18352, 22940, 24397, 29119, 31480, 45880, 48794, 58238, 62960, 91760, 97588, 116476, 121985, 145595, 195176, 232952, 243970, 291190, 390352, 465904, 487940, 582380, 902689, 975880, 1164760, 1805378, 1951760, 2329520, 3610756, 4513445, 7221512, 9026890, 14443024, 18053780, 36107560, 72215120]

約数ペア:

[(1, 72215120), (2, 36107560), (4, 18053780), (5, 14443024), (8, 9026890), (10, 7221512), (16, 4513445), (20, 3610756), (31, 2329520), (37, 1951760), (40, 1805378), (62, 1164760), (74, 975880), (80, 902689), (124, 582380), (148, 487940), (155, 465904), (185, 390352), (248, 291190), (296, 243970), (310, 232952), (370, 195176), (496, 145595), (592, 121985), (620, 116476), (740, 97588), (787, 91760), (1147, 62960), (1240, 58238), (1480, 48794), (1574, 45880), (2294, 31480), (2480, 29119), (2960, 24397), (3148, 22940), (3935, 18352), (4588, 15740), (5735, 12592), (6296, 11470), (7870, 9176)]