1921154580

素因数分解:

$2^2\times 3^2\times 5^1\times {\mathrm{23}}^1\times {\mathrm{464047}}^1$

素因数の和:464085

約数の個数: 72

約数和(自身を含む): 6080884992

約数和(自身を除く): 4159730412

約数列:

[1, 2, 3, 4, 5, 6, 9, 10, 12, 15, 18, 20, 23, 30, 36, 45, 46, 60, 69, 90, 92, 115, 138, 180, 207, 230, 276, 345, 414, 460, 690, 828, 1035, 1380, 2070, 4140, 464047, 928094, 1392141, 1856188, 2320235, 2784282, 4176423, 4640470, 5568564, 6960705, 8352846, 9280940, 10673081, 13921410, 16705692, 20882115, 21346162, 27842820, 32019243, 41764230, 42692324, 53365405, 64038486, 83528460, 96057729, 106730810, 128076972, 160096215, 192115458, 213461620, 320192430, 384230916, 480288645, 640384860, 960577290, 1921154580]

約数ペア:

[(1, 1921154580), (2, 960577290), (3, 640384860), (4, 480288645), (5, 384230916), (6, 320192430), (9, 213461620), (10, 192115458), (12, 160096215), (15, 128076972), (18, 106730810), (20, 96057729), (23, 83528460), (30, 64038486), (36, 53365405), (45, 42692324), (46, 41764230), (60, 32019243), (69, 27842820), (90, 21346162), (92, 20882115), (115, 16705692), (138, 13921410), (180, 10673081), (207, 9280940), (230, 8352846), (276, 6960705), (345, 5568564), (414, 4640470), (460, 4176423), (690, 2784282), (828, 2320235), (1035, 1856188), (1380, 1392141), (2070, 928094), (4140, 464047)]