201668320

素因数分解:

$2^5\times 5^1\times 7^2\times {\mathrm{29}}^1\times {\mathrm{887}}^1$

素因数の和:945

約数の個数: 144

約数和(自身を含む): 573985440

約数和(自身を除く): 372317120

約数列:

[1, 2, 4, 5, 7, 8, 10, 14, 16, 20, 28, 29, 32, 35, 40, 49, 56, 58, 70, 80, 98, 112, 116, 140, 145, 160, 196, 203, 224, 232, 245, 280, 290, 392, 406, 464, 490, 560, 580, 784, 812, 887, 928, 980, 1015, 1120, 1160, 1421, 1568, 1624, 1774, 1960, 2030, 2320, 2842, 3248, 3548, 3920, 4060, 4435, 4640, 5684, 6209, 6496, 7096, 7105, 7840, 8120, 8870, 11368, 12418, 14192, 14210, 16240, 17740, 22736, 24836, 25723, 28384, 28420, 31045, 32480, 35480, 43463, 45472, 49672, 51446, 56840, 62090, 70960, 86926, 99344, 102892, 113680, 124180, 128615, 141920, 173852, 180061, 198688, 205784, 217315, 227360, 248360, 257230, 347704, 360122, 411568, 434630, 496720, 514460, 695408, 720244, 823136, 869260, 900305, 993440, 1028920, 1260427, 1390816, 1440488, 1738520, 1800610, 2057840, 2520854, 2880976, 3477040, 3601220, 4115680, 5041708, 5761952, 6302135, 6954080, 7202440, 10083416, 12604270, 14404880, 20166832, 25208540, 28809760, 40333664, 50417080, 100834160, 201668320]

約数ペア:

[(1, 201668320), (2, 100834160), (4, 50417080), (5, 40333664), (7, 28809760), (8, 25208540), (10, 20166832), (14, 14404880), (16, 12604270), (20, 10083416), (28, 7202440), (29, 6954080), (32, 6302135), (35, 5761952), (40, 5041708), (49, 4115680), (56, 3601220), (58, 3477040), (70, 2880976), (80, 2520854), (98, 2057840), (112, 1800610), (116, 1738520), (140, 1440488), (145, 1390816), (160, 1260427), (196, 1028920), (203, 993440), (224, 900305), (232, 869260), (245, 823136), (280, 720244), (290, 695408), (392, 514460), (406, 496720), (464, 434630), (490, 411568), (560, 360122), (580, 347704), (784, 257230), (812, 248360), (887, 227360), (928, 217315), (980, 205784), (1015, 198688), (1120, 180061), (1160, 173852), (1421, 141920), (1568, 128615), (1624, 124180), (1774, 113680), (1960, 102892), (2030, 99344), (2320, 86926), (2842, 70960), (3248, 62090), (3548, 56840), (3920, 51446), (4060, 49672), (4435, 45472), (4640, 43463), (5684, 35480), (6209, 32480), (6496, 31045), (7096, 28420), (7105, 28384), (7840, 25723), (8120, 24836), (8870, 22736), (11368, 17740), (12418, 16240), (14192, 14210)]