205548240

素因数分解:

$2^4\times 3^1\times 5^1\times {\mathrm{23}}^2\times {\mathrm{1619}}^1$

素因数の和:1681

約数の個数: 120

約数和(自身を含む): 666519840

約数和(自身を除く): 460971600

約数列:

[1, 2, 3, 4, 5, 6, 8, 10, 12, 15, 16, 20, 23, 24, 30, 40, 46, 48, 60, 69, 80, 92, 115, 120, 138, 184, 230, 240, 276, 345, 368, 460, 529, 552, 690, 920, 1058, 1104, 1380, 1587, 1619, 1840, 2116, 2645, 2760, 3174, 3238, 4232, 4857, 5290, 5520, 6348, 6476, 7935, 8095, 8464, 9714, 10580, 12696, 12952, 15870, 16190, 19428, 21160, 24285, 25392, 25904, 31740, 32380, 37237, 38856, 42320, 48570, 63480, 64760, 74474, 77712, 97140, 111711, 126960, 129520, 148948, 186185, 194280, 223422, 297896, 372370, 388560, 446844, 558555, 595792, 744740, 856451, 893688, 1117110, 1489480, 1712902, 1787376, 2234220, 2569353, 2978960, 3425804, 4282255, 4468440, 5138706, 6851608, 8564510, 8936880, 10277412, 12846765, 13703216, 17129020, 20554824, 25693530, 34258040, 41109648, 51387060, 68516080, 102774120, 205548240]

約数ペア:

[(1, 205548240), (2, 102774120), (3, 68516080), (4, 51387060), (5, 41109648), (6, 34258040), (8, 25693530), (10, 20554824), (12, 17129020), (15, 13703216), (16, 12846765), (20, 10277412), (23, 8936880), (24, 8564510), (30, 6851608), (40, 5138706), (46, 4468440), (48, 4282255), (60, 3425804), (69, 2978960), (80, 2569353), (92, 2234220), (115, 1787376), (120, 1712902), (138, 1489480), (184, 1117110), (230, 893688), (240, 856451), (276, 744740), (345, 595792), (368, 558555), (460, 446844), (529, 388560), (552, 372370), (690, 297896), (920, 223422), (1058, 194280), (1104, 186185), (1380, 148948), (1587, 129520), (1619, 126960), (1840, 111711), (2116, 97140), (2645, 77712), (2760, 74474), (3174, 64760), (3238, 63480), (4232, 48570), (4857, 42320), (5290, 38856), (5520, 37237), (6348, 32380), (6476, 31740), (7935, 25904), (8095, 25392), (8464, 24285), (9714, 21160), (10580, 19428), (12696, 16190), (12952, 15870)]