1583560

素因数分解:

$2^3\times 5^1\times {\mathrm{11}}^1\times {\mathrm{59}}^1\times {\mathrm{61}}^1$

素因数の和:142

約数の個数: 64

約数和(自身を含む): 4017600

約数和(自身を除く): 2434040

約数列:

[1, 2, 4, 5, 8, 10, 11, 20, 22, 40, 44, 55, 59, 61, 88, 110, 118, 122, 220, 236, 244, 295, 305, 440, 472, 488, 590, 610, 649, 671, 1180, 1220, 1298, 1342, 2360, 2440, 2596, 2684, 3245, 3355, 3599, 5192, 5368, 6490, 6710, 7198, 12980, 13420, 14396, 17995, 25960, 26840, 28792, 35990, 39589, 71980, 79178, 143960, 158356, 197945, 316712, 395890, 791780, 1583560]

約数ペア:

[(1, 1583560), (2, 791780), (4, 395890), (5, 316712), (8, 197945), (10, 158356), (11, 143960), (20, 79178), (22, 71980), (40, 39589), (44, 35990), (55, 28792), (59, 26840), (61, 25960), (88, 17995), (110, 14396), (118, 13420), (122, 12980), (220, 7198), (236, 6710), (244, 6490), (295, 5368), (305, 5192), (440, 3599), (472, 3355), (488, 3245), (590, 2684), (610, 2596), (649, 2440), (671, 2360), (1180, 1342), (1220, 1298)]