20174091520

素因数分解:

$2^8\times 5^1\times {\mathrm{11}}^1\times {\mathrm{281}}^1\times {\mathrm{5099}}^1$

素因数の和:5412

約数の個数: 144

約数和(自身を含む): 52914254400

約数和(自身を除く): 32740162880

約数列:

[1, 2, 4, 5, 8, 10, 11, 16, 20, 22, 32, 40, 44, 55, 64, 80, 88, 110, 128, 160, 176, 220, 256, 281, 320, 352, 440, 562, 640, 704, 880, 1124, 1280, 1405, 1408, 1760, 2248, 2810, 2816, 3091, 3520, 4496, 5099, 5620, 6182, 7040, 8992, 10198, 11240, 12364, 14080, 15455, 17984, 20396, 22480, 24728, 25495, 30910, 35968, 40792, 44960, 49456, 50990, 56089, 61820, 71936, 81584, 89920, 98912, 101980, 112178, 123640, 163168, 179840, 197824, 203960, 224356, 247280, 280445, 326336, 359680, 395648, 407920, 448712, 494560, 560890, 652672, 791296, 815840, 897424, 989120, 1121780, 1305344, 1432819, 1631680, 1794848, 1978240, 2243560, 2865638, 3263360, 3589696, 3956480, 4487120, 5731276, 6526720, 7164095, 7179392, 8974240, 11462552, 14328190, 14358784, 15761009, 17948480, 22925104, 28656380, 31522018, 35896960, 45850208, 57312760, 63044036, 71793920, 78805045, 91700416, 114625520, 126088072, 157610090, 183400832, 229251040, 252176144, 315220180, 366801664, 458502080, 504352288, 630440360, 917004160, 1008704576, 1260880720, 1834008320, 2017409152, 2521761440, 4034818304, 5043522880, 10087045760, 20174091520]

約数ペア:

[(1, 20174091520), (2, 10087045760), (4, 5043522880), (5, 4034818304), (8, 2521761440), (10, 2017409152), (11, 1834008320), (16, 1260880720), (20, 1008704576), (22, 917004160), (32, 630440360), (40, 504352288), (44, 458502080), (55, 366801664), (64, 315220180), (80, 252176144), (88, 229251040), (110, 183400832), (128, 157610090), (160, 126088072), (176, 114625520), (220, 91700416), (256, 78805045), (281, 71793920), (320, 63044036), (352, 57312760), (440, 45850208), (562, 35896960), (640, 31522018), (704, 28656380), (880, 22925104), (1124, 17948480), (1280, 15761009), (1405, 14358784), (1408, 14328190), (1760, 11462552), (2248, 8974240), (2810, 7179392), (2816, 7164095), (3091, 6526720), (3520, 5731276), (4496, 4487120), (5099, 3956480), (5620, 3589696), (6182, 3263360), (7040, 2865638), (8992, 2243560), (10198, 1978240), (11240, 1794848), (12364, 1631680), (14080, 1432819), (15455, 1305344), (17984, 1121780), (20396, 989120), (22480, 897424), (24728, 815840), (25495, 791296), (30910, 652672), (35968, 560890), (40792, 494560), (44960, 448712), (49456, 407920), (50990, 395648), (56089, 359680), (61820, 326336), (71936, 280445), (81584, 247280), (89920, 224356), (98912, 203960), (101980, 197824), (112178, 179840), (123640, 163168)]