16647960

素因数分解:

$2^3\times 3^1\times 5^1\times 7^1\times {\mathrm{19819}}^1$

素因数の和:19840

約数の個数: 64

約数和(自身を含む): 57081600

約数和(自身を除く): 40433640

約数列:

[1, 2, 3, 4, 5, 6, 7, 8, 10, 12, 14, 15, 20, 21, 24, 28, 30, 35, 40, 42, 56, 60, 70, 84, 105, 120, 140, 168, 210, 280, 420, 840, 19819, 39638, 59457, 79276, 99095, 118914, 138733, 158552, 198190, 237828, 277466, 297285, 396380, 416199, 475656, 554932, 594570, 693665, 792760, 832398, 1109864, 1189140, 1387330, 1664796, 2080995, 2378280, 2774660, 3329592, 4161990, 5549320, 8323980, 16647960]

約数ペア:

[(1, 16647960), (2, 8323980), (3, 5549320), (4, 4161990), (5, 3329592), (6, 2774660), (7, 2378280), (8, 2080995), (10, 1664796), (12, 1387330), (14, 1189140), (15, 1109864), (20, 832398), (21, 792760), (24, 693665), (28, 594570), (30, 554932), (35, 475656), (40, 416199), (42, 396380), (56, 297285), (60, 277466), (70, 237828), (84, 198190), (105, 158552), (120, 138733), (140, 118914), (168, 99095), (210, 79276), (280, 59457), (420, 39638), (840, 19819)]