2587920

素因数分解:

$2^4\times 3^1\times 5^1\times {\mathrm{41}}^1\times {\mathrm{263}}^1$

素因数の和:320

約数の個数: 80

約数和(自身を含む): 8249472

約数和(自身を除く): 5661552

約数列:

[1, 2, 3, 4, 5, 6, 8, 10, 12, 15, 16, 20, 24, 30, 40, 41, 48, 60, 80, 82, 120, 123, 164, 205, 240, 246, 263, 328, 410, 492, 526, 615, 656, 789, 820, 984, 1052, 1230, 1315, 1578, 1640, 1968, 2104, 2460, 2630, 3156, 3280, 3945, 4208, 4920, 5260, 6312, 7890, 9840, 10520, 10783, 12624, 15780, 21040, 21566, 31560, 32349, 43132, 53915, 63120, 64698, 86264, 107830, 129396, 161745, 172528, 215660, 258792, 323490, 431320, 517584, 646980, 862640, 1293960, 2587920]

約数ペア:

[(1, 2587920), (2, 1293960), (3, 862640), (4, 646980), (5, 517584), (6, 431320), (8, 323490), (10, 258792), (12, 215660), (15, 172528), (16, 161745), (20, 129396), (24, 107830), (30, 86264), (40, 64698), (41, 63120), (48, 53915), (60, 43132), (80, 32349), (82, 31560), (120, 21566), (123, 21040), (164, 15780), (205, 12624), (240, 10783), (246, 10520), (263, 9840), (328, 7890), (410, 6312), (492, 5260), (526, 4920), (615, 4208), (656, 3945), (789, 3280), (820, 3156), (984, 2630), (1052, 2460), (1230, 2104), (1315, 1968), (1578, 1640)]