180855680

素因数分解:

$2^7\times 5^1\times {\mathrm{19}}^1\times {\mathrm{107}}^1\times {\mathrm{139}}^1$

素因数の和:284

約数の個数: 128

約数和(自身を含む): 462672000

約数和(自身を除く): 281816320

約数列:

[1, 2, 4, 5, 8, 10, 16, 19, 20, 32, 38, 40, 64, 76, 80, 95, 107, 128, 139, 152, 160, 190, 214, 278, 304, 320, 380, 428, 535, 556, 608, 640, 695, 760, 856, 1070, 1112, 1216, 1390, 1520, 1712, 2033, 2140, 2224, 2432, 2641, 2780, 3040, 3424, 4066, 4280, 4448, 5282, 5560, 6080, 6848, 8132, 8560, 8896, 10165, 10564, 11120, 12160, 13205, 13696, 14873, 16264, 17120, 17792, 20330, 21128, 22240, 26410, 29746, 32528, 34240, 40660, 42256, 44480, 52820, 59492, 65056, 68480, 74365, 81320, 84512, 88960, 105640, 118984, 130112, 148730, 162640, 169024, 211280, 237968, 260224, 282587, 297460, 325280, 338048, 422560, 475936, 565174, 594920, 650560, 845120, 951872, 1130348, 1189840, 1301120, 1412935, 1690240, 1903744, 2260696, 2379680, 2825870, 4521392, 4759360, 5651740, 9042784, 9518720, 11303480, 18085568, 22606960, 36171136, 45213920, 90427840, 180855680]

約数ペア:

[(1, 180855680), (2, 90427840), (4, 45213920), (5, 36171136), (8, 22606960), (10, 18085568), (16, 11303480), (19, 9518720), (20, 9042784), (32, 5651740), (38, 4759360), (40, 4521392), (64, 2825870), (76, 2379680), (80, 2260696), (95, 1903744), (107, 1690240), (128, 1412935), (139, 1301120), (152, 1189840), (160, 1130348), (190, 951872), (214, 845120), (278, 650560), (304, 594920), (320, 565174), (380, 475936), (428, 422560), (535, 338048), (556, 325280), (608, 297460), (640, 282587), (695, 260224), (760, 237968), (856, 211280), (1070, 169024), (1112, 162640), (1216, 148730), (1390, 130112), (1520, 118984), (1712, 105640), (2033, 88960), (2140, 84512), (2224, 81320), (2432, 74365), (2641, 68480), (2780, 65056), (3040, 59492), (3424, 52820), (4066, 44480), (4280, 42256), (4448, 40660), (5282, 34240), (5560, 32528), (6080, 29746), (6848, 26410), (8132, 22240), (8560, 21128), (8896, 20330), (10165, 17792), (10564, 17120), (11120, 16264), (12160, 14873), (13205, 13696)]