1679220

素因数分解:

$2^2\times 3^2\times 5^1\times {\mathrm{19}}^1\times {\mathrm{491}}^1$

素因数の和:525

約数の個数: 72

約数和(自身を含む): 5372640

約数和(自身を除く): 3693420

約数列:

[1, 2, 3, 4, 5, 6, 9, 10, 12, 15, 18, 19, 20, 30, 36, 38, 45, 57, 60, 76, 90, 95, 114, 171, 180, 190, 228, 285, 342, 380, 491, 570, 684, 855, 982, 1140, 1473, 1710, 1964, 2455, 2946, 3420, 4419, 4910, 5892, 7365, 8838, 9329, 9820, 14730, 17676, 18658, 22095, 27987, 29460, 37316, 44190, 46645, 55974, 83961, 88380, 93290, 111948, 139935, 167922, 186580, 279870, 335844, 419805, 559740, 839610, 1679220]

約数ペア:

[(1, 1679220), (2, 839610), (3, 559740), (4, 419805), (5, 335844), (6, 279870), (9, 186580), (10, 167922), (12, 139935), (15, 111948), (18, 93290), (19, 88380), (20, 83961), (30, 55974), (36, 46645), (38, 44190), (45, 37316), (57, 29460), (60, 27987), (76, 22095), (90, 18658), (95, 17676), (114, 14730), (171, 9820), (180, 9329), (190, 8838), (228, 7365), (285, 5892), (342, 4910), (380, 4419), (491, 3420), (570, 2946), (684, 2455), (855, 1964), (982, 1710), (1140, 1473)]