101818880

素因数分解:

$2^9\times 5^1\times {\mathrm{31}}^1\times {\mathrm{1283}}^1$

素因数の和:1337

約数の個数: 80

約数和(自身を含む): 252198144

約数和(自身を除く): 150379264

約数列:

[1, 2, 4, 5, 8, 10, 16, 20, 31, 32, 40, 62, 64, 80, 124, 128, 155, 160, 248, 256, 310, 320, 496, 512, 620, 640, 992, 1240, 1280, 1283, 1984, 2480, 2560, 2566, 3968, 4960, 5132, 6415, 7936, 9920, 10264, 12830, 15872, 19840, 20528, 25660, 39680, 39773, 41056, 51320, 79360, 79546, 82112, 102640, 159092, 164224, 198865, 205280, 318184, 328448, 397730, 410560, 636368, 656896, 795460, 821120, 1272736, 1590920, 1642240, 2545472, 3181840, 3284480, 5090944, 6363680, 10181888, 12727360, 20363776, 25454720, 50909440, 101818880]

約数ペア:

[(1, 101818880), (2, 50909440), (4, 25454720), (5, 20363776), (8, 12727360), (10, 10181888), (16, 6363680), (20, 5090944), (31, 3284480), (32, 3181840), (40, 2545472), (62, 1642240), (64, 1590920), (80, 1272736), (124, 821120), (128, 795460), (155, 656896), (160, 636368), (248, 410560), (256, 397730), (310, 328448), (320, 318184), (496, 205280), (512, 198865), (620, 164224), (640, 159092), (992, 102640), (1240, 82112), (1280, 79546), (1283, 79360), (1984, 51320), (2480, 41056), (2560, 39773), (2566, 39680), (3968, 25660), (4960, 20528), (5132, 19840), (6415, 15872), (7936, 12830), (9920, 10264)]