15691406920

素因数分解:

$2^3\times 5^1\times 7^1\times {\mathrm{43}}^1\times {\mathrm{503}}^1\times {\mathrm{2591}}^1$

素因数の和:3155

約数の個数: 128

約数和(自身を含む): 41385738240

約数和(自身を除く): 25694331320

約数列:

[1, 2, 4, 5, 7, 8, 10, 14, 20, 28, 35, 40, 43, 56, 70, 86, 140, 172, 215, 280, 301, 344, 430, 503, 602, 860, 1006, 1204, 1505, 1720, 2012, 2408, 2515, 2591, 3010, 3521, 4024, 5030, 5182, 6020, 7042, 10060, 10364, 12040, 12955, 14084, 17605, 18137, 20120, 20728, 21629, 25910, 28168, 35210, 36274, 43258, 51820, 70420, 72548, 86516, 90685, 103640, 108145, 111413, 140840, 145096, 151403, 173032, 181370, 216290, 222826, 302806, 362740, 432580, 445652, 557065, 605612, 725480, 757015, 779891, 865160, 891304, 1114130, 1211224, 1303273, 1514030, 1559782, 2228260, 2606546, 3028060, 3119564, 3899455, 4456520, 5213092, 6056120, 6239128, 6516365, 7798910, 9122911, 10426184, 13032730, 15597820, 18245822, 26065460, 31195640, 36491644, 45614555, 52130920, 56040739, 72983288, 91229110, 112081478, 182458220, 224162956, 280203695, 364916440, 392285173, 448325912, 560407390, 784570346, 1120814780, 1569140692, 1961425865, 2241629560, 3138281384, 3922851730, 7845703460, 15691406920]

約数ペア:

[(1, 15691406920), (2, 7845703460), (4, 3922851730), (5, 3138281384), (7, 2241629560), (8, 1961425865), (10, 1569140692), (14, 1120814780), (20, 784570346), (28, 560407390), (35, 448325912), (40, 392285173), (43, 364916440), (56, 280203695), (70, 224162956), (86, 182458220), (140, 112081478), (172, 91229110), (215, 72983288), (280, 56040739), (301, 52130920), (344, 45614555), (430, 36491644), (503, 31195640), (602, 26065460), (860, 18245822), (1006, 15597820), (1204, 13032730), (1505, 10426184), (1720, 9122911), (2012, 7798910), (2408, 6516365), (2515, 6239128), (2591, 6056120), (3010, 5213092), (3521, 4456520), (4024, 3899455), (5030, 3119564), (5182, 3028060), (6020, 2606546), (7042, 2228260), (10060, 1559782), (10364, 1514030), (12040, 1303273), (12955, 1211224), (14084, 1114130), (17605, 891304), (18137, 865160), (20120, 779891), (20728, 757015), (21629, 725480), (25910, 605612), (28168, 557065), (35210, 445652), (36274, 432580), (43258, 362740), (51820, 302806), (70420, 222826), (72548, 216290), (86516, 181370), (90685, 173032), (103640, 151403), (108145, 145096), (111413, 140840)]