78729560

素因数分解:

$2^3\times 5^1\times 7^1\times {\mathrm{13}}^1\times {\mathrm{43}}^1\times {\mathrm{503}}^1$

素因数の和:577

約数の個数: 128

約数和(自身を含む): 223534080

約数和(自身を除く): 144804520

約数列:

[1, 2, 4, 5, 7, 8, 10, 13, 14, 20, 26, 28, 35, 40, 43, 52, 56, 65, 70, 86, 91, 104, 130, 140, 172, 182, 215, 260, 280, 301, 344, 364, 430, 455, 503, 520, 559, 602, 728, 860, 910, 1006, 1118, 1204, 1505, 1720, 1820, 2012, 2236, 2408, 2515, 2795, 3010, 3521, 3640, 3913, 4024, 4472, 5030, 5590, 6020, 6539, 7042, 7826, 10060, 11180, 12040, 13078, 14084, 15652, 17605, 19565, 20120, 21629, 22360, 26156, 28168, 31304, 32695, 35210, 39130, 43258, 45773, 52312, 65390, 70420, 78260, 86516, 91546, 108145, 130780, 140840, 151403, 156520, 173032, 183092, 216290, 228865, 261560, 281177, 302806, 366184, 432580, 457730, 562354, 605612, 757015, 865160, 915460, 1124708, 1211224, 1405885, 1514030, 1830920, 1968239, 2249416, 2811770, 3028060, 3936478, 5623540, 6056120, 7872956, 9841195, 11247080, 15745912, 19682390, 39364780, 78729560]

約数ペア:

[(1, 78729560), (2, 39364780), (4, 19682390), (5, 15745912), (7, 11247080), (8, 9841195), (10, 7872956), (13, 6056120), (14, 5623540), (20, 3936478), (26, 3028060), (28, 2811770), (35, 2249416), (40, 1968239), (43, 1830920), (52, 1514030), (56, 1405885), (65, 1211224), (70, 1124708), (86, 915460), (91, 865160), (104, 757015), (130, 605612), (140, 562354), (172, 457730), (182, 432580), (215, 366184), (260, 302806), (280, 281177), (301, 261560), (344, 228865), (364, 216290), (430, 183092), (455, 173032), (503, 156520), (520, 151403), (559, 140840), (602, 130780), (728, 108145), (860, 91546), (910, 86516), (1006, 78260), (1118, 70420), (1204, 65390), (1505, 52312), (1720, 45773), (1820, 43258), (2012, 39130), (2236, 35210), (2408, 32695), (2515, 31304), (2795, 28168), (3010, 26156), (3521, 22360), (3640, 21629), (3913, 20120), (4024, 19565), (4472, 17605), (5030, 15652), (5590, 14084), (6020, 13078), (6539, 12040), (7042, 11180), (7826, 10060)]