1880760

素因数分解:

$2^3\times 3^1\times 5^1\times 7^1\times {\mathrm{2239}}^1$

素因数の和:2260

約数の個数: 64

約数和(自身を含む): 6451200

約数和(自身を除く): 4570440

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, 2239, 4478, 6717, 8956, 11195, 13434, 15673, 17912, 22390, 26868, 31346, 33585, 44780, 47019, 53736, 62692, 67170, 78365, 89560, 94038, 125384, 134340, 156730, 188076, 235095, 268680, 313460, 376152, 470190, 626920, 940380, 1880760]

約数ペア:

[(1, 1880760), (2, 940380), (3, 626920), (4, 470190), (5, 376152), (6, 313460), (7, 268680), (8, 235095), (10, 188076), (12, 156730), (14, 134340), (15, 125384), (20, 94038), (21, 89560), (24, 78365), (28, 67170), (30, 62692), (35, 53736), (40, 47019), (42, 44780), (56, 33585), (60, 31346), (70, 26868), (84, 22390), (105, 17912), (120, 15673), (140, 13434), (168, 11195), (210, 8956), (280, 6717), (420, 4478), (840, 2239)]