64653840

素因数分解:

$2^4\times 3^2\times 5^1\times {\mathrm{89797}}^1$

素因数の和:89816

約数の個数: 60

約数和(自身を含む): 217131564

約数和(自身を除く): 152477724

約数列:

[1, 2, 3, 4, 5, 6, 8, 9, 10, 12, 15, 16, 18, 20, 24, 30, 36, 40, 45, 48, 60, 72, 80, 90, 120, 144, 180, 240, 360, 720, 89797, 179594, 269391, 359188, 448985, 538782, 718376, 808173, 897970, 1077564, 1346955, 1436752, 1616346, 1795940, 2155128, 2693910, 3232692, 3591880, 4040865, 4310256, 5387820, 6465384, 7183760, 8081730, 10775640, 12930768, 16163460, 21551280, 32326920, 64653840]

約数ペア:

[(1, 64653840), (2, 32326920), (3, 21551280), (4, 16163460), (5, 12930768), (6, 10775640), (8, 8081730), (9, 7183760), (10, 6465384), (12, 5387820), (15, 4310256), (16, 4040865), (18, 3591880), (20, 3232692), (24, 2693910), (30, 2155128), (36, 1795940), (40, 1616346), (45, 1436752), (48, 1346955), (60, 1077564), (72, 897970), (80, 808173), (90, 718376), (120, 538782), (144, 448985), (180, 359188), (240, 269391), (360, 179594), (720, 89797)]