157638705

素因数分解:

$3^1\times 5^1\times 7^1\times {\mathrm{17}}^1\times {\mathrm{47}}^1\times {\mathrm{1879}}^1$

素因数の和:1958

約数の個数: 64

約数和(自身を含む): 311869440

約数和(自身を除く): 154230735

約数列:

[1, 3, 5, 7, 15, 17, 21, 35, 47, 51, 85, 105, 119, 141, 235, 255, 329, 357, 595, 705, 799, 987, 1645, 1785, 1879, 2397, 3995, 4935, 5593, 5637, 9395, 11985, 13153, 16779, 27965, 28185, 31943, 39459, 65765, 83895, 88313, 95829, 159715, 197295, 223601, 264939, 441565, 479145, 618191, 670803, 1118005, 1324695, 1501321, 1854573, 3090955, 3354015, 4503963, 7506605, 9272865, 10509247, 22519815, 31527741, 52546235, 157638705]

約数ペア:

[(1, 157638705), (3, 52546235), (5, 31527741), (7, 22519815), (15, 10509247), (17, 9272865), (21, 7506605), (35, 4503963), (47, 3354015), (51, 3090955), (85, 1854573), (105, 1501321), (119, 1324695), (141, 1118005), (235, 670803), (255, 618191), (329, 479145), (357, 441565), (595, 264939), (705, 223601), (799, 197295), (987, 159715), (1645, 95829), (1785, 88313), (1879, 83895), (2397, 65765), (3995, 39459), (4935, 31943), (5593, 28185), (5637, 27965), (9395, 16779), (11985, 13153)]