254066520

素因数分解:

$2^3\times 3^1\times 5^1\times {\mathrm{89}}^1\times {\mathrm{23789}}^1$

素因数の和:23892

約数の個数: 64

約数和(自身を含む): 770796000

約数和(自身を除く): 516729480

約数列:

[1, 2, 3, 4, 5, 6, 8, 10, 12, 15, 20, 24, 30, 40, 60, 89, 120, 178, 267, 356, 445, 534, 712, 890, 1068, 1335, 1780, 2136, 2670, 3560, 5340, 10680, 23789, 47578, 71367, 95156, 118945, 142734, 190312, 237890, 285468, 356835, 475780, 570936, 713670, 951560, 1427340, 2117221, 2854680, 4234442, 6351663, 8468884, 10586105, 12703326, 16937768, 21172210, 25406652, 31758315, 42344420, 50813304, 63516630, 84688840, 127033260, 254066520]

約数ペア:

[(1, 254066520), (2, 127033260), (3, 84688840), (4, 63516630), (5, 50813304), (6, 42344420), (8, 31758315), (10, 25406652), (12, 21172210), (15, 16937768), (20, 12703326), (24, 10586105), (30, 8468884), (40, 6351663), (60, 4234442), (89, 2854680), (120, 2117221), (178, 1427340), (267, 951560), (356, 713670), (445, 570936), (534, 475780), (712, 356835), (890, 285468), (1068, 237890), (1335, 190312), (1780, 142734), (2136, 118945), (2670, 95156), (3560, 71367), (5340, 47578), (10680, 23789)]