320855360

素因数分解:

$2^6\times 5^1\times 7^1\times {\mathrm{143239}}^1$

素因数の和:143263

約数の個数: 56

約数和(自身を含む): 873191040

約数和(自身を除く): 552335680

約数列:

[1, 2, 4, 5, 7, 8, 10, 14, 16, 20, 28, 32, 35, 40, 56, 64, 70, 80, 112, 140, 160, 224, 280, 320, 448, 560, 1120, 2240, 143239, 286478, 572956, 716195, 1002673, 1145912, 1432390, 2005346, 2291824, 2864780, 4010692, 4583648, 5013365, 5729560, 8021384, 9167296, 10026730, 11459120, 16042768, 20053460, 22918240, 32085536, 40106920, 45836480, 64171072, 80213840, 160427680, 320855360]

約数ペア:

[(1, 320855360), (2, 160427680), (4, 80213840), (5, 64171072), (7, 45836480), (8, 40106920), (10, 32085536), (14, 22918240), (16, 20053460), (20, 16042768), (28, 11459120), (32, 10026730), (35, 9167296), (40, 8021384), (56, 5729560), (64, 5013365), (70, 4583648), (80, 4010692), (112, 2864780), (140, 2291824), (160, 2005346), (224, 1432390), (280, 1145912), (320, 1002673), (448, 716195), (560, 572956), (1120, 286478), (2240, 143239)]