69419920

素因数分解:

$2^4\times 5^1\times {\mathrm{19}}^1\times {\mathrm{109}}^1\times {\mathrm{419}}^1$

素因数の和:560

約数の個数: 80

約数和(自身を含む): 171864000

約数和(自身を除く): 102444080

約数列:

[1, 2, 4, 5, 8, 10, 16, 19, 20, 38, 40, 76, 80, 95, 109, 152, 190, 218, 304, 380, 419, 436, 545, 760, 838, 872, 1090, 1520, 1676, 1744, 2071, 2095, 2180, 3352, 4142, 4190, 4360, 6704, 7961, 8284, 8380, 8720, 10355, 15922, 16568, 16760, 20710, 31844, 33136, 33520, 39805, 41420, 45671, 63688, 79610, 82840, 91342, 127376, 159220, 165680, 182684, 228355, 318440, 365368, 456710, 636880, 730736, 867749, 913420, 1735498, 1826840, 3470996, 3653680, 4338745, 6941992, 8677490, 13883984, 17354980, 34709960, 69419920]

約数ペア:

[(1, 69419920), (2, 34709960), (4, 17354980), (5, 13883984), (8, 8677490), (10, 6941992), (16, 4338745), (19, 3653680), (20, 3470996), (38, 1826840), (40, 1735498), (76, 913420), (80, 867749), (95, 730736), (109, 636880), (152, 456710), (190, 365368), (218, 318440), (304, 228355), (380, 182684), (419, 165680), (436, 159220), (545, 127376), (760, 91342), (838, 82840), (872, 79610), (1090, 63688), (1520, 45671), (1676, 41420), (1744, 39805), (2071, 33520), (2095, 33136), (2180, 31844), (3352, 20710), (4142, 16760), (4190, 16568), (4360, 15922), (6704, 10355), (7961, 8720), (8284, 8380)]