161346920

素因数分解:

$2^3\times 5^1\times 7^1\times {\mathrm{307}}^1\times {\mathrm{1877}}^1$

素因数の和:2202

約数の個数: 64

約数和(自身を含む): 416465280

約数和(自身を除く): 255118360

約数列:

[1, 2, 4, 5, 7, 8, 10, 14, 20, 28, 35, 40, 56, 70, 140, 280, 307, 614, 1228, 1535, 1877, 2149, 2456, 3070, 3754, 4298, 6140, 7508, 8596, 9385, 10745, 12280, 13139, 15016, 17192, 18770, 21490, 26278, 37540, 42980, 52556, 65695, 75080, 85960, 105112, 131390, 262780, 525560, 576239, 1152478, 2304956, 2881195, 4033673, 4609912, 5762390, 8067346, 11524780, 16134692, 20168365, 23049560, 32269384, 40336730, 80673460, 161346920]

約数ペア:

[(1, 161346920), (2, 80673460), (4, 40336730), (5, 32269384), (7, 23049560), (8, 20168365), (10, 16134692), (14, 11524780), (20, 8067346), (28, 5762390), (35, 4609912), (40, 4033673), (56, 2881195), (70, 2304956), (140, 1152478), (280, 576239), (307, 525560), (614, 262780), (1228, 131390), (1535, 105112), (1877, 85960), (2149, 75080), (2456, 65695), (3070, 52556), (3754, 42980), (4298, 37540), (6140, 26278), (7508, 21490), (8596, 18770), (9385, 17192), (10745, 15016), (12280, 13139)]