260221640

素因数分解:

$2^3\times 5^1\times 7^1\times {\mathrm{29}}^1\times {\mathrm{73}}^1\times {\mathrm{439}}^1$

素因数の和:559

約数の個数: 128

約数和(自身を含む): 703296000

約数和(自身を除く): 443074360

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, 365, 406, 439, 511, 580, 584, 730, 812, 878, 1015, 1022, 1160, 1460, 1624, 1756, 2030, 2044, 2117, 2195, 2555, 2920, 3073, 3512, 4060, 4088, 4234, 4390, 5110, 6146, 8120, 8468, 8780, 10220, 10585, 12292, 12731, 14819, 15365, 16936, 17560, 20440, 21170, 24584, 25462, 29638, 30730, 32047, 42340, 50924, 59276, 61460, 63655, 64094, 74095, 84680, 89117, 101848, 118552, 122920, 127310, 128188, 148190, 160235, 178234, 224329, 254620, 256376, 296380, 320470, 356468, 445585, 448658, 509240, 592760, 640940, 712936, 891170, 897316, 929363, 1121645, 1281880, 1782340, 1794632, 1858726, 2243290, 3564680, 3717452, 4486580, 4646815, 6505541, 7434904, 8973160, 9293630, 13011082, 18587260, 26022164, 32527705, 37174520, 52044328, 65055410, 130110820, 260221640]

約数ペア:

[(1, 260221640), (2, 130110820), (4, 65055410), (5, 52044328), (7, 37174520), (8, 32527705), (10, 26022164), (14, 18587260), (20, 13011082), (28, 9293630), (29, 8973160), (35, 7434904), (40, 6505541), (56, 4646815), (58, 4486580), (70, 3717452), (73, 3564680), (116, 2243290), (140, 1858726), (145, 1794632), (146, 1782340), (203, 1281880), (232, 1121645), (280, 929363), (290, 897316), (292, 891170), (365, 712936), (406, 640940), (439, 592760), (511, 509240), (580, 448658), (584, 445585), (730, 356468), (812, 320470), (878, 296380), (1015, 256376), (1022, 254620), (1160, 224329), (1460, 178234), (1624, 160235), (1756, 148190), (2030, 128188), (2044, 127310), (2117, 122920), (2195, 118552), (2555, 101848), (2920, 89117), (3073, 84680), (3512, 74095), (4060, 64094), (4088, 63655), (4234, 61460), (4390, 59276), (5110, 50924), (6146, 42340), (8120, 32047), (8468, 30730), (8780, 29638), (10220, 25462), (10585, 24584), (12292, 21170), (12731, 20440), (14819, 17560), (15365, 16936)]