19995390960

素因数分解:

$2^4\times 3^1\times 5^1\times {\mathrm{29}}^1\times {\mathrm{167}}^1\times {\mathrm{17203}}^1$

素因数の和:17415

約数の個数: 160

約数和(自身を含む): 64510871040

約数和(自身を除く): 44515480080

約数列:

[1, 2, 3, 4, 5, 6, 8, 10, 12, 15, 16, 20, 24, 29, 30, 40, 48, 58, 60, 80, 87, 116, 120, 145, 167, 174, 232, 240, 290, 334, 348, 435, 464, 501, 580, 668, 696, 835, 870, 1002, 1160, 1336, 1392, 1670, 1740, 2004, 2320, 2505, 2672, 3340, 3480, 4008, 4843, 5010, 6680, 6960, 8016, 9686, 10020, 13360, 14529, 17203, 19372, 20040, 24215, 29058, 34406, 38744, 40080, 48430, 51609, 58116, 68812, 72645, 77488, 86015, 96860, 103218, 116232, 137624, 145290, 172030, 193720, 206436, 232464, 258045, 275248, 290580, 344060, 387440, 412872, 498887, 516090, 581160, 688120, 825744, 997774, 1032180, 1162320, 1376240, 1496661, 1995548, 2064360, 2494435, 2872901, 2993322, 3991096, 4128720, 4988870, 5745802, 5986644, 7483305, 7982192, 8618703, 9977740, 11491604, 11973288, 14364505, 14966610, 17237406, 19955480, 22983208, 23946576, 28729010, 29933220, 34474812, 39910960, 43093515, 45966416, 57458020, 59866440, 68949624, 83314129, 86187030, 114916040, 119732880, 137899248, 166628258, 172374060, 229832080, 249942387, 333256516, 344748120, 416570645, 499884774, 666513032, 689496240, 833141290, 999769548, 1249711935, 1333026064, 1666282580, 1999539096, 2499423870, 3332565160, 3999078192, 4998847740, 6665130320, 9997695480, 19995390960]

約数ペア:

[(1, 19995390960), (2, 9997695480), (3, 6665130320), (4, 4998847740), (5, 3999078192), (6, 3332565160), (8, 2499423870), (10, 1999539096), (12, 1666282580), (15, 1333026064), (16, 1249711935), (20, 999769548), (24, 833141290), (29, 689496240), (30, 666513032), (40, 499884774), (48, 416570645), (58, 344748120), (60, 333256516), (80, 249942387), (87, 229832080), (116, 172374060), (120, 166628258), (145, 137899248), (167, 119732880), (174, 114916040), (232, 86187030), (240, 83314129), (290, 68949624), (334, 59866440), (348, 57458020), (435, 45966416), (464, 43093515), (501, 39910960), (580, 34474812), (668, 29933220), (696, 28729010), (835, 23946576), (870, 22983208), (1002, 19955480), (1160, 17237406), (1336, 14966610), (1392, 14364505), (1670, 11973288), (1740, 11491604), (2004, 9977740), (2320, 8618703), (2505, 7982192), (2672, 7483305), (3340, 5986644), (3480, 5745802), (4008, 4988870), (4843, 4128720), (5010, 3991096), (6680, 2993322), (6960, 2872901), (8016, 2494435), (9686, 2064360), (10020, 1995548), (13360, 1496661), (14529, 1376240), (17203, 1162320), (19372, 1032180), (20040, 997774), (24215, 825744), (29058, 688120), (34406, 581160), (38744, 516090), (40080, 498887), (48430, 412872), (51609, 387440), (58116, 344060), (68812, 290580), (72645, 275248), (77488, 258045), (86015, 232464), (96860, 206436), (103218, 193720), (116232, 172030), (137624, 145290)]