291567320

素因数分解:

$2^3\times 5^1\times {\mathrm{11}}^1\times {\mathrm{23}}^1\times {\mathrm{47}}^1\times {\mathrm{613}}^1$

素因数の和:705

約数の個数: 128

約数和(自身を含む): 763914240

約数和(自身を除く): 472346920

約数列:

[1, 2, 4, 5, 8, 10, 11, 20, 22, 23, 40, 44, 46, 47, 55, 88, 92, 94, 110, 115, 184, 188, 220, 230, 235, 253, 376, 440, 460, 470, 506, 517, 613, 920, 940, 1012, 1034, 1081, 1226, 1265, 1880, 2024, 2068, 2162, 2452, 2530, 2585, 3065, 4136, 4324, 4904, 5060, 5170, 5405, 6130, 6743, 8648, 10120, 10340, 10810, 11891, 12260, 13486, 14099, 20680, 21620, 23782, 24520, 26972, 28198, 28811, 33715, 43240, 47564, 53944, 56396, 57622, 59455, 67430, 70495, 95128, 112792, 115244, 118910, 134860, 140990, 144055, 155089, 230488, 237820, 269720, 281980, 288110, 310178, 316921, 475640, 563960, 576220, 620356, 633842, 662653, 775445, 1152440, 1240712, 1267684, 1325306, 1550890, 1584605, 2535368, 2650612, 3101780, 3169210, 3313265, 5301224, 6203560, 6338420, 6626530, 7289183, 12676840, 13253060, 14578366, 26506120, 29156732, 36445915, 58313464, 72891830, 145783660, 291567320]

約数ペア:

[(1, 291567320), (2, 145783660), (4, 72891830), (5, 58313464), (8, 36445915), (10, 29156732), (11, 26506120), (20, 14578366), (22, 13253060), (23, 12676840), (40, 7289183), (44, 6626530), (46, 6338420), (47, 6203560), (55, 5301224), (88, 3313265), (92, 3169210), (94, 3101780), (110, 2650612), (115, 2535368), (184, 1584605), (188, 1550890), (220, 1325306), (230, 1267684), (235, 1240712), (253, 1152440), (376, 775445), (440, 662653), (460, 633842), (470, 620356), (506, 576220), (517, 563960), (613, 475640), (920, 316921), (940, 310178), (1012, 288110), (1034, 281980), (1081, 269720), (1226, 237820), (1265, 230488), (1880, 155089), (2024, 144055), (2068, 140990), (2162, 134860), (2452, 118910), (2530, 115244), (2585, 112792), (3065, 95128), (4136, 70495), (4324, 67430), (4904, 59455), (5060, 57622), (5170, 56396), (5405, 53944), (6130, 47564), (6743, 43240), (8648, 33715), (10120, 28811), (10340, 28198), (10810, 26972), (11891, 24520), (12260, 23782), (13486, 21620), (14099, 20680)]