157105760

素因数分解:

$2^5\times 5^1\times 7^2\times {\mathrm{29}}^1\times {\mathrm{691}}^1$

素因数の和:749

約数の個数: 144

約数和(自身を含む): 447294960

約数和(自身を除く): 290189200

約数列:

[1, 2, 4, 5, 7, 8, 10, 14, 16, 20, 28, 29, 32, 35, 40, 49, 56, 58, 70, 80, 98, 112, 116, 140, 145, 160, 196, 203, 224, 232, 245, 280, 290, 392, 406, 464, 490, 560, 580, 691, 784, 812, 928, 980, 1015, 1120, 1160, 1382, 1421, 1568, 1624, 1960, 2030, 2320, 2764, 2842, 3248, 3455, 3920, 4060, 4640, 4837, 5528, 5684, 6496, 6910, 7105, 7840, 8120, 9674, 11056, 11368, 13820, 14210, 16240, 19348, 20039, 22112, 22736, 24185, 27640, 28420, 32480, 33859, 38696, 40078, 45472, 48370, 55280, 56840, 67718, 77392, 80156, 96740, 100195, 110560, 113680, 135436, 140273, 154784, 160312, 169295, 193480, 200390, 227360, 270872, 280546, 320624, 338590, 386960, 400780, 541744, 561092, 641248, 677180, 701365, 773920, 801560, 981911, 1083488, 1122184, 1354360, 1402730, 1603120, 1963822, 2244368, 2708720, 2805460, 3206240, 3927644, 4488736, 4909555, 5417440, 5610920, 7855288, 9819110, 11221840, 15710576, 19638220, 22443680, 31421152, 39276440, 78552880, 157105760]

約数ペア:

[(1, 157105760), (2, 78552880), (4, 39276440), (5, 31421152), (7, 22443680), (8, 19638220), (10, 15710576), (14, 11221840), (16, 9819110), (20, 7855288), (28, 5610920), (29, 5417440), (32, 4909555), (35, 4488736), (40, 3927644), (49, 3206240), (56, 2805460), (58, 2708720), (70, 2244368), (80, 1963822), (98, 1603120), (112, 1402730), (116, 1354360), (140, 1122184), (145, 1083488), (160, 981911), (196, 801560), (203, 773920), (224, 701365), (232, 677180), (245, 641248), (280, 561092), (290, 541744), (392, 400780), (406, 386960), (464, 338590), (490, 320624), (560, 280546), (580, 270872), (691, 227360), (784, 200390), (812, 193480), (928, 169295), (980, 160312), (1015, 154784), (1120, 140273), (1160, 135436), (1382, 113680), (1421, 110560), (1568, 100195), (1624, 96740), (1960, 80156), (2030, 77392), (2320, 67718), (2764, 56840), (2842, 55280), (3248, 48370), (3455, 45472), (3920, 40078), (4060, 38696), (4640, 33859), (4837, 32480), (5528, 28420), (5684, 27640), (6496, 24185), (6910, 22736), (7105, 22112), (7840, 20039), (8120, 19348), (9674, 16240), (11056, 14210), (11368, 13820)]