209393040

素因数分解:

$2^4\times 3^1\times 5^1\times {\mathrm{872471}}^1$

素因数の和:872487

約数の個数: 40

約数和(自身を含む): 649119168

約数和(自身を除く): 439726128

約数列:

[1, 2, 3, 4, 5, 6, 8, 10, 12, 15, 16, 20, 24, 30, 40, 48, 60, 80, 120, 240, 872471, 1744942, 2617413, 3489884, 4362355, 5234826, 6979768, 8724710, 10469652, 13087065, 13959536, 17449420, 20939304, 26174130, 34898840, 41878608, 52348260, 69797680, 104696520, 209393040]

約数ペア:

[(1, 209393040), (2, 104696520), (3, 69797680), (4, 52348260), (5, 41878608), (6, 34898840), (8, 26174130), (10, 20939304), (12, 17449420), (15, 13959536), (16, 13087065), (20, 10469652), (24, 8724710), (30, 6979768), (40, 5234826), (48, 4362355), (60, 3489884), (80, 2617413), (120, 1744942), (240, 872471)]