221855280

素因数分解:

$2^4\times 3^1\times 5^1\times {\mathrm{924397}}^1$

素因数の和:924413

約数の個数: 40

約数和(自身を含む): 687752112

約数和(自身を除く): 465896832

約数列:

[1, 2, 3, 4, 5, 6, 8, 10, 12, 15, 16, 20, 24, 30, 40, 48, 60, 80, 120, 240, 924397, 1848794, 2773191, 3697588, 4621985, 5546382, 7395176, 9243970, 11092764, 13865955, 14790352, 18487940, 22185528, 27731910, 36975880, 44371056, 55463820, 73951760, 110927640, 221855280]

約数ペア:

[(1, 221855280), (2, 110927640), (3, 73951760), (4, 55463820), (5, 44371056), (6, 36975880), (8, 27731910), (10, 22185528), (12, 18487940), (15, 14790352), (16, 13865955), (20, 11092764), (24, 9243970), (30, 7395176), (40, 5546382), (48, 4621985), (60, 3697588), (80, 2773191), (120, 1848794), (240, 924397)]