20731680

素因数分解:

$2^5\times 3^3\times 5^1\times {\mathrm{4799}}^1$

素因数の和:4823

約数の個数: 96

約数和(自身を含む): 72576000

約数和(自身を除く): 51844320

約数列:

[1, 2, 3, 4, 5, 6, 8, 9, 10, 12, 15, 16, 18, 20, 24, 27, 30, 32, 36, 40, 45, 48, 54, 60, 72, 80, 90, 96, 108, 120, 135, 144, 160, 180, 216, 240, 270, 288, 360, 432, 480, 540, 720, 864, 1080, 1440, 2160, 4320, 4799, 9598, 14397, 19196, 23995, 28794, 38392, 43191, 47990, 57588, 71985, 76784, 86382, 95980, 115176, 129573, 143970, 153568, 172764, 191960, 215955, 230352, 259146, 287940, 345528, 383920, 431910, 460704, 518292, 575880, 647865, 691056, 767840, 863820, 1036584, 1151760, 1295730, 1382112, 1727640, 2073168, 2303520, 2591460, 3455280, 4146336, 5182920, 6910560, 10365840, 20731680]

約数ペア:

[(1, 20731680), (2, 10365840), (3, 6910560), (4, 5182920), (5, 4146336), (6, 3455280), (8, 2591460), (9, 2303520), (10, 2073168), (12, 1727640), (15, 1382112), (16, 1295730), (18, 1151760), (20, 1036584), (24, 863820), (27, 767840), (30, 691056), (32, 647865), (36, 575880), (40, 518292), (45, 460704), (48, 431910), (54, 383920), (60, 345528), (72, 287940), (80, 259146), (90, 230352), (96, 215955), (108, 191960), (120, 172764), (135, 153568), (144, 143970), (160, 129573), (180, 115176), (216, 95980), (240, 86382), (270, 76784), (288, 71985), (360, 57588), (432, 47990), (480, 43191), (540, 38392), (720, 28794), (864, 23995), (1080, 19196), (1440, 14397), (2160, 9598), (4320, 4799)]