2554639740

素因数分解:

$2^2\times 3^2\times 5^1\times {\mathrm{61}}^1\times {\mathrm{232663}}^1$

素因数の和:232739

約数の個数: 72

約数和(自身を含む): 7876141728

約数和(自身を除く): 5321501988

約数列:

[1, 2, 3, 4, 5, 6, 9, 10, 12, 15, 18, 20, 30, 36, 45, 60, 61, 90, 122, 180, 183, 244, 305, 366, 549, 610, 732, 915, 1098, 1220, 1830, 2196, 2745, 3660, 5490, 10980, 232663, 465326, 697989, 930652, 1163315, 1395978, 2093967, 2326630, 2791956, 3489945, 4187934, 4653260, 6979890, 8375868, 10469835, 13959780, 14192443, 20939670, 28384886, 41879340, 42577329, 56769772, 70962215, 85154658, 127731987, 141924430, 170309316, 212886645, 255463974, 283848860, 425773290, 510927948, 638659935, 851546580, 1277319870, 2554639740]

約数ペア:

[(1, 2554639740), (2, 1277319870), (3, 851546580), (4, 638659935), (5, 510927948), (6, 425773290), (9, 283848860), (10, 255463974), (12, 212886645), (15, 170309316), (18, 141924430), (20, 127731987), (30, 85154658), (36, 70962215), (45, 56769772), (60, 42577329), (61, 41879340), (90, 28384886), (122, 20939670), (180, 14192443), (183, 13959780), (244, 10469835), (305, 8375868), (366, 6979890), (549, 4653260), (610, 4187934), (732, 3489945), (915, 2791956), (1098, 2326630), (1220, 2093967), (1830, 1395978), (2196, 1163315), (2745, 930652), (3660, 697989), (5490, 465326), (10980, 232663)]