81759120

素因数分解:

$2^4\times 3^1\times 5^1\times {\mathrm{17}}^1\times {\mathrm{29}}^1\times {\mathrm{691}}^1$

素因数の和:753

約数の個数: 160

約数和(自身を含む): 278017920

約数和(自身を除く): 196258800

約数列:

[1, 2, 3, 4, 5, 6, 8, 10, 12, 15, 16, 17, 20, 24, 29, 30, 34, 40, 48, 51, 58, 60, 68, 80, 85, 87, 102, 116, 120, 136, 145, 170, 174, 204, 232, 240, 255, 272, 290, 340, 348, 408, 435, 464, 493, 510, 580, 680, 691, 696, 816, 870, 986, 1020, 1160, 1360, 1382, 1392, 1479, 1740, 1972, 2040, 2073, 2320, 2465, 2764, 2958, 3455, 3480, 3944, 4080, 4146, 4930, 5528, 5916, 6910, 6960, 7395, 7888, 8292, 9860, 10365, 11056, 11747, 11832, 13820, 14790, 16584, 19720, 20039, 20730, 23494, 23664, 27640, 29580, 33168, 35241, 39440, 40078, 41460, 46988, 55280, 58735, 59160, 60117, 70482, 80156, 82920, 93976, 100195, 117470, 118320, 120234, 140964, 160312, 165840, 176205, 187952, 200390, 234940, 240468, 281928, 300585, 320624, 340663, 352410, 400780, 469880, 480936, 563856, 601170, 681326, 704820, 801560, 939760, 961872, 1021989, 1202340, 1362652, 1409640, 1603120, 1703315, 2043978, 2404680, 2725304, 2819280, 3406630, 4087956, 4809360, 5109945, 5450608, 6813260, 8175912, 10219890, 13626520, 16351824, 20439780, 27253040, 40879560, 81759120]

約数ペア:

[(1, 81759120), (2, 40879560), (3, 27253040), (4, 20439780), (5, 16351824), (6, 13626520), (8, 10219890), (10, 8175912), (12, 6813260), (15, 5450608), (16, 5109945), (17, 4809360), (20, 4087956), (24, 3406630), (29, 2819280), (30, 2725304), (34, 2404680), (40, 2043978), (48, 1703315), (51, 1603120), (58, 1409640), (60, 1362652), (68, 1202340), (80, 1021989), (85, 961872), (87, 939760), (102, 801560), (116, 704820), (120, 681326), (136, 601170), (145, 563856), (170, 480936), (174, 469880), (204, 400780), (232, 352410), (240, 340663), (255, 320624), (272, 300585), (290, 281928), (340, 240468), (348, 234940), (408, 200390), (435, 187952), (464, 176205), (493, 165840), (510, 160312), (580, 140964), (680, 120234), (691, 118320), (696, 117470), (816, 100195), (870, 93976), (986, 82920), (1020, 80156), (1160, 70482), (1360, 60117), (1382, 59160), (1392, 58735), (1479, 55280), (1740, 46988), (1972, 41460), (2040, 40078), (2073, 39440), (2320, 35241), (2465, 33168), (2764, 29580), (2958, 27640), (3455, 23664), (3480, 23494), (3944, 20730), (4080, 20039), (4146, 19720), (4930, 16584), (5528, 14790), (5916, 13820), (6910, 11832), (6960, 11747), (7395, 11056), (7888, 10365), (8292, 9860)]