80880900

素因数分解:

$2^2\times 3^1\times 5^2\times {\mathrm{17}}^1\times {\mathrm{15859}}^1$

素因数の和:15893

約数の個数: 72

約数和(自身を含む): 247796640

約数和(自身を除く): 166915740

約数列:

[1, 2, 3, 4, 5, 6, 10, 12, 15, 17, 20, 25, 30, 34, 50, 51, 60, 68, 75, 85, 100, 102, 150, 170, 204, 255, 300, 340, 425, 510, 850, 1020, 1275, 1700, 2550, 5100, 15859, 31718, 47577, 63436, 79295, 95154, 158590, 190308, 237885, 269603, 317180, 396475, 475770, 539206, 792950, 808809, 951540, 1078412, 1189425, 1348015, 1585900, 1617618, 2378850, 2696030, 3235236, 4044045, 4757700, 5392060, 6740075, 8088090, 13480150, 16176180, 20220225, 26960300, 40440450, 80880900]

約数ペア:

[(1, 80880900), (2, 40440450), (3, 26960300), (4, 20220225), (5, 16176180), (6, 13480150), (10, 8088090), (12, 6740075), (15, 5392060), (17, 4757700), (20, 4044045), (25, 3235236), (30, 2696030), (34, 2378850), (50, 1617618), (51, 1585900), (60, 1348015), (68, 1189425), (75, 1078412), (85, 951540), (100, 808809), (102, 792950), (150, 539206), (170, 475770), (204, 396475), (255, 317180), (300, 269603), (340, 237885), (425, 190308), (510, 158590), (850, 95154), (1020, 79295), (1275, 63436), (1700, 47577), (2550, 31718), (5100, 15859)]