8090100

素因数分解:

$2^2\times 3^2\times 5^2\times {\mathrm{89}}^1\times {\mathrm{101}}^1$

素因数の和:210

約数の個数: 108

約数和(自身を含む): 25896780

約数和(自身を除く): 17806680

約数列:

[1, 2, 3, 4, 5, 6, 9, 10, 12, 15, 18, 20, 25, 30, 36, 45, 50, 60, 75, 89, 90, 100, 101, 150, 178, 180, 202, 225, 267, 300, 303, 356, 404, 445, 450, 505, 534, 606, 801, 890, 900, 909, 1010, 1068, 1212, 1335, 1515, 1602, 1780, 1818, 2020, 2225, 2525, 2670, 3030, 3204, 3636, 4005, 4450, 4545, 5050, 5340, 6060, 6675, 7575, 8010, 8900, 8989, 9090, 10100, 13350, 15150, 16020, 17978, 18180, 20025, 22725, 26700, 26967, 30300, 35956, 40050, 44945, 45450, 53934, 80100, 80901, 89890, 90900, 107868, 134835, 161802, 179780, 224725, 269670, 323604, 404505, 449450, 539340, 674175, 809010, 898900, 1348350, 1618020, 2022525, 2696700, 4045050, 8090100]

約数ペア:

[(1, 8090100), (2, 4045050), (3, 2696700), (4, 2022525), (5, 1618020), (6, 1348350), (9, 898900), (10, 809010), (12, 674175), (15, 539340), (18, 449450), (20, 404505), (25, 323604), (30, 269670), (36, 224725), (45, 179780), (50, 161802), (60, 134835), (75, 107868), (89, 90900), (90, 89890), (100, 80901), (101, 80100), (150, 53934), (178, 45450), (180, 44945), (202, 40050), (225, 35956), (267, 30300), (300, 26967), (303, 26700), (356, 22725), (404, 20025), (445, 18180), (450, 17978), (505, 16020), (534, 15150), (606, 13350), (801, 10100), (890, 9090), (900, 8989), (909, 8900), (1010, 8010), (1068, 7575), (1212, 6675), (1335, 6060), (1515, 5340), (1602, 5050), (1780, 4545), (1818, 4450), (2020, 4005), (2225, 3636), (2525, 3204), (2670, 3030)]