204639840

素因数分解:

$2^5\times 3^2\times 5^1\times {\mathrm{142111}}^1$

素因数の和:142132

約数の個数: 72

約数和(自身を含む): 698338368

約数和(自身を除く): 493698528

約数列:

[1, 2, 3, 4, 5, 6, 8, 9, 10, 12, 15, 16, 18, 20, 24, 30, 32, 36, 40, 45, 48, 60, 72, 80, 90, 96, 120, 144, 160, 180, 240, 288, 360, 480, 720, 1440, 142111, 284222, 426333, 568444, 710555, 852666, 1136888, 1278999, 1421110, 1705332, 2131665, 2273776, 2557998, 2842220, 3410664, 4263330, 4547552, 5115996, 5684440, 6394995, 6821328, 8526660, 10231992, 11368880, 12789990, 13642656, 17053320, 20463984, 22737760, 25579980, 34106640, 40927968, 51159960, 68213280, 102319920, 204639840]

約数ペア:

[(1, 204639840), (2, 102319920), (3, 68213280), (4, 51159960), (5, 40927968), (6, 34106640), (8, 25579980), (9, 22737760), (10, 20463984), (12, 17053320), (15, 13642656), (16, 12789990), (18, 11368880), (20, 10231992), (24, 8526660), (30, 6821328), (32, 6394995), (36, 5684440), (40, 5115996), (45, 4547552), (48, 4263330), (60, 3410664), (72, 2842220), (80, 2557998), (90, 2273776), (96, 2131665), (120, 1705332), (144, 1421110), (160, 1278999), (180, 1136888), (240, 852666), (288, 710555), (360, 568444), (480, 426333), (720, 284222), (1440, 142111)]