836620160

素因数分解:

$2^7\times 5^1\times {\mathrm{19}}^1\times {\mathrm{107}}^1\times {\mathrm{643}}^1$

素因数の和:788

約数の個数: 128

約数和(自身を含む): 2128291200

約数和(自身を除く): 1291671040

約数列:

[1, 2, 4, 5, 8, 10, 16, 19, 20, 32, 38, 40, 64, 76, 80, 95, 107, 128, 152, 160, 190, 214, 304, 320, 380, 428, 535, 608, 640, 643, 760, 856, 1070, 1216, 1286, 1520, 1712, 2033, 2140, 2432, 2572, 3040, 3215, 3424, 4066, 4280, 5144, 6080, 6430, 6848, 8132, 8560, 10165, 10288, 12160, 12217, 12860, 13696, 16264, 17120, 20330, 20576, 24434, 25720, 32528, 34240, 40660, 41152, 48868, 51440, 61085, 65056, 68480, 68801, 81320, 82304, 97736, 102880, 122170, 130112, 137602, 162640, 195472, 205760, 244340, 260224, 275204, 325280, 344005, 390944, 411520, 488680, 550408, 650560, 688010, 781888, 977360, 1100816, 1301120, 1307219, 1376020, 1563776, 1954720, 2201632, 2614438, 2752040, 3909440, 4403264, 5228876, 5504080, 6536095, 7818880, 8806528, 10457752, 11008160, 13072190, 20915504, 22016320, 26144380, 41831008, 44032640, 52288760, 83662016, 104577520, 167324032, 209155040, 418310080, 836620160]

約数ペア:

[(1, 836620160), (2, 418310080), (4, 209155040), (5, 167324032), (8, 104577520), (10, 83662016), (16, 52288760), (19, 44032640), (20, 41831008), (32, 26144380), (38, 22016320), (40, 20915504), (64, 13072190), (76, 11008160), (80, 10457752), (95, 8806528), (107, 7818880), (128, 6536095), (152, 5504080), (160, 5228876), (190, 4403264), (214, 3909440), (304, 2752040), (320, 2614438), (380, 2201632), (428, 1954720), (535, 1563776), (608, 1376020), (640, 1307219), (643, 1301120), (760, 1100816), (856, 977360), (1070, 781888), (1216, 688010), (1286, 650560), (1520, 550408), (1712, 488680), (2033, 411520), (2140, 390944), (2432, 344005), (2572, 325280), (3040, 275204), (3215, 260224), (3424, 244340), (4066, 205760), (4280, 195472), (5144, 162640), (6080, 137602), (6430, 130112), (6848, 122170), (8132, 102880), (8560, 97736), (10165, 82304), (10288, 81320), (12160, 68801), (12217, 68480), (12860, 65056), (13696, 61085), (16264, 51440), (17120, 48868), (20330, 41152), (20576, 40660), (24434, 34240), (25720, 32528)]