205672440

素因数分解:

$2^3\times 3^1\times 5^1\times {\mathrm{23}}^1\times {\mathrm{43}}^1\times {\mathrm{1733}}^1$

素因数の和:1813

約数の個数: 128

約数和(自身を含む): 659197440

約数和(自身を除く): 453525000

約数列:

[1, 2, 3, 4, 5, 6, 8, 10, 12, 15, 20, 23, 24, 30, 40, 43, 46, 60, 69, 86, 92, 115, 120, 129, 138, 172, 184, 215, 230, 258, 276, 344, 345, 430, 460, 516, 552, 645, 690, 860, 920, 989, 1032, 1290, 1380, 1720, 1733, 1978, 2580, 2760, 2967, 3466, 3956, 4945, 5160, 5199, 5934, 6932, 7912, 8665, 9890, 10398, 11868, 13864, 14835, 17330, 19780, 20796, 23736, 25995, 29670, 34660, 39560, 39859, 41592, 51990, 59340, 69320, 74519, 79718, 103980, 118680, 119577, 149038, 159436, 199295, 207960, 223557, 239154, 298076, 318872, 372595, 398590, 447114, 478308, 596152, 597885, 745190, 797180, 894228, 956616, 1117785, 1195770, 1490380, 1594360, 1713937, 1788456, 2235570, 2391540, 2980760, 3427874, 4471140, 4783080, 5141811, 6855748, 8569685, 8942280, 10283622, 13711496, 17139370, 20567244, 25709055, 34278740, 41134488, 51418110, 68557480, 102836220, 205672440]

約数ペア:

[(1, 205672440), (2, 102836220), (3, 68557480), (4, 51418110), (5, 41134488), (6, 34278740), (8, 25709055), (10, 20567244), (12, 17139370), (15, 13711496), (20, 10283622), (23, 8942280), (24, 8569685), (30, 6855748), (40, 5141811), (43, 4783080), (46, 4471140), (60, 3427874), (69, 2980760), (86, 2391540), (92, 2235570), (115, 1788456), (120, 1713937), (129, 1594360), (138, 1490380), (172, 1195770), (184, 1117785), (215, 956616), (230, 894228), (258, 797180), (276, 745190), (344, 597885), (345, 596152), (430, 478308), (460, 447114), (516, 398590), (552, 372595), (645, 318872), (690, 298076), (860, 239154), (920, 223557), (989, 207960), (1032, 199295), (1290, 159436), (1380, 149038), (1720, 119577), (1733, 118680), (1978, 103980), (2580, 79718), (2760, 74519), (2967, 69320), (3466, 59340), (3956, 51990), (4945, 41592), (5160, 39859), (5199, 39560), (5934, 34660), (6932, 29670), (7912, 25995), (8665, 23736), (9890, 20796), (10398, 19780), (11868, 17330), (13864, 14835)]