181307840

素因数分解:

$2^6\times 5^1\times 7^2\times {\mathrm{31}}^1\times {\mathrm{373}}^1$

素因数の和:435

約数の個数: 168

約数和(自身を含む): 519818112

約数和(自身を除く): 338510272

約数列:

[1, 2, 4, 5, 7, 8, 10, 14, 16, 20, 28, 31, 32, 35, 40, 49, 56, 62, 64, 70, 80, 98, 112, 124, 140, 155, 160, 196, 217, 224, 245, 248, 280, 310, 320, 373, 392, 434, 448, 490, 496, 560, 620, 746, 784, 868, 980, 992, 1085, 1120, 1240, 1492, 1519, 1568, 1736, 1865, 1960, 1984, 2170, 2240, 2480, 2611, 2984, 3038, 3136, 3472, 3730, 3920, 4340, 4960, 5222, 5968, 6076, 6944, 7460, 7595, 7840, 8680, 9920, 10444, 11563, 11936, 12152, 13055, 13888, 14920, 15190, 15680, 17360, 18277, 20888, 23126, 23872, 24304, 26110, 29840, 30380, 34720, 36554, 41776, 46252, 48608, 52220, 57815, 59680, 60760, 69440, 73108, 80941, 83552, 91385, 92504, 97216, 104440, 115630, 119360, 121520, 146216, 161882, 167104, 182770, 185008, 208880, 231260, 243040, 292432, 323764, 365540, 370016, 404705, 417760, 462520, 486080, 566587, 584864, 647528, 731080, 740032, 809410, 835520, 925040, 1133174, 1169728, 1295056, 1462160, 1618820, 1850080, 2266348, 2590112, 2832935, 2924320, 3237640, 3700160, 4532696, 5180224, 5665870, 5848640, 6475280, 9065392, 11331740, 12950560, 18130784, 22663480, 25901120, 36261568, 45326960, 90653920, 181307840]

約数ペア:

[(1, 181307840), (2, 90653920), (4, 45326960), (5, 36261568), (7, 25901120), (8, 22663480), (10, 18130784), (14, 12950560), (16, 11331740), (20, 9065392), (28, 6475280), (31, 5848640), (32, 5665870), (35, 5180224), (40, 4532696), (49, 3700160), (56, 3237640), (62, 2924320), (64, 2832935), (70, 2590112), (80, 2266348), (98, 1850080), (112, 1618820), (124, 1462160), (140, 1295056), (155, 1169728), (160, 1133174), (196, 925040), (217, 835520), (224, 809410), (245, 740032), (248, 731080), (280, 647528), (310, 584864), (320, 566587), (373, 486080), (392, 462520), (434, 417760), (448, 404705), (490, 370016), (496, 365540), (560, 323764), (620, 292432), (746, 243040), (784, 231260), (868, 208880), (980, 185008), (992, 182770), (1085, 167104), (1120, 161882), (1240, 146216), (1492, 121520), (1519, 119360), (1568, 115630), (1736, 104440), (1865, 97216), (1960, 92504), (1984, 91385), (2170, 83552), (2240, 80941), (2480, 73108), (2611, 69440), (2984, 60760), (3038, 59680), (3136, 57815), (3472, 52220), (3730, 48608), (3920, 46252), (4340, 41776), (4960, 36554), (5222, 34720), (5968, 30380), (6076, 29840), (6944, 26110), (7460, 24304), (7595, 23872), (7840, 23126), (8680, 20888), (9920, 18277), (10444, 17360), (11563, 15680), (11936, 15190), (12152, 14920), (13055, 13888)]