181977320

素因数分解:

$2^3\times 5^1\times 7^1\times {\mathrm{29}}^1\times {\mathrm{73}}^1\times {\mathrm{307}}^1$

素因数の和:427

約数の個数: 128

約数和(自身を含む): 492307200

約数和(自身を除く): 310329880

約数列:

[1, 2, 4, 5, 7, 8, 10, 14, 20, 28, 29, 35, 40, 56, 58, 70, 73, 116, 140, 145, 146, 203, 232, 280, 290, 292, 307, 365, 406, 511, 580, 584, 614, 730, 812, 1015, 1022, 1160, 1228, 1460, 1535, 1624, 2030, 2044, 2117, 2149, 2456, 2555, 2920, 3070, 4060, 4088, 4234, 4298, 5110, 6140, 8120, 8468, 8596, 8903, 10220, 10585, 10745, 12280, 14819, 16936, 17192, 17806, 20440, 21170, 21490, 22411, 29638, 35612, 42340, 42980, 44515, 44822, 59276, 62321, 71224, 74095, 84680, 85960, 89030, 89644, 112055, 118552, 124642, 148190, 156877, 178060, 179288, 224110, 249284, 296380, 311605, 313754, 356120, 448220, 498568, 592760, 623210, 627508, 649919, 784385, 896440, 1246420, 1255016, 1299838, 1568770, 2492840, 2599676, 3137540, 3249595, 4549433, 5199352, 6275080, 6499190, 9098866, 12998380, 18197732, 22747165, 25996760, 36395464, 45494330, 90988660, 181977320]

約数ペア:

[(1, 181977320), (2, 90988660), (4, 45494330), (5, 36395464), (7, 25996760), (8, 22747165), (10, 18197732), (14, 12998380), (20, 9098866), (28, 6499190), (29, 6275080), (35, 5199352), (40, 4549433), (56, 3249595), (58, 3137540), (70, 2599676), (73, 2492840), (116, 1568770), (140, 1299838), (145, 1255016), (146, 1246420), (203, 896440), (232, 784385), (280, 649919), (290, 627508), (292, 623210), (307, 592760), (365, 498568), (406, 448220), (511, 356120), (580, 313754), (584, 311605), (614, 296380), (730, 249284), (812, 224110), (1015, 179288), (1022, 178060), (1160, 156877), (1228, 148190), (1460, 124642), (1535, 118552), (1624, 112055), (2030, 89644), (2044, 89030), (2117, 85960), (2149, 84680), (2456, 74095), (2555, 71224), (2920, 62321), (3070, 59276), (4060, 44822), (4088, 44515), (4234, 42980), (4298, 42340), (5110, 35612), (6140, 29638), (8120, 22411), (8468, 21490), (8596, 21170), (8903, 20440), (10220, 17806), (10585, 17192), (10745, 16936), (12280, 14819)]