1284111920

素因数分解:

$2^4\times 5^1\times 7^1\times {\mathrm{13}}^1\times {\mathrm{176389}}^1$

素因数の和:176422

約数の個数: 80

約数和(自身を含む): 3674556480

約数和(自身を除く): 2390444560

約数列:

[1, 2, 4, 5, 7, 8, 10, 13, 14, 16, 20, 26, 28, 35, 40, 52, 56, 65, 70, 80, 91, 104, 112, 130, 140, 182, 208, 260, 280, 364, 455, 520, 560, 728, 910, 1040, 1456, 1820, 3640, 7280, 176389, 352778, 705556, 881945, 1234723, 1411112, 1763890, 2293057, 2469446, 2822224, 3527780, 4586114, 4938892, 6173615, 7055560, 9172228, 9877784, 11465285, 12347230, 14111120, 16051399, 18344456, 19755568, 22930570, 24694460, 32102798, 36688912, 45861140, 49388920, 64205596, 80256995, 91722280, 98777840, 128411192, 160513990, 183444560, 256822384, 321027980, 642055960, 1284111920]

約数ペア:

[(1, 1284111920), (2, 642055960), (4, 321027980), (5, 256822384), (7, 183444560), (8, 160513990), (10, 128411192), (13, 98777840), (14, 91722280), (16, 80256995), (20, 64205596), (26, 49388920), (28, 45861140), (35, 36688912), (40, 32102798), (52, 24694460), (56, 22930570), (65, 19755568), (70, 18344456), (80, 16051399), (91, 14111120), (104, 12347230), (112, 11465285), (130, 9877784), (140, 9172228), (182, 7055560), (208, 6173615), (260, 4938892), (280, 4586114), (364, 3527780), (455, 2822224), (520, 2469446), (560, 2293057), (728, 1763890), (910, 1411112), (1040, 1234723), (1456, 881945), (1820, 705556), (3640, 352778), (7280, 176389)]