156920715

素因数分解:

$3^2\times 5^1\times 7^1\times {\mathrm{19}}^1\times {\mathrm{157}}^1\times {\mathrm{167}}^1$

素因数の和:361

約数の個数: 96

約数和(自身を含む): 331269120

約数和(自身を除く): 174348405

約数列:

[1, 3, 5, 7, 9, 15, 19, 21, 35, 45, 57, 63, 95, 105, 133, 157, 167, 171, 285, 315, 399, 471, 501, 665, 785, 835, 855, 1099, 1169, 1197, 1413, 1503, 1995, 2355, 2505, 2983, 3173, 3297, 3507, 5495, 5845, 5985, 7065, 7515, 8949, 9519, 9891, 10521, 14915, 15865, 16485, 17535, 20881, 22211, 26219, 26847, 28557, 44745, 47595, 49455, 52605, 62643, 66633, 78657, 104405, 111055, 131095, 134235, 142785, 183533, 187929, 199899, 235971, 313215, 333165, 393285, 498161, 550599, 917665, 939645, 999495, 1179855, 1494483, 1651797, 2490805, 2752995, 3487127, 4483449, 7472415, 8258985, 10461381, 17435635, 22417245, 31384143, 52306905, 156920715]

約数ペア:

[(1, 156920715), (3, 52306905), (5, 31384143), (7, 22417245), (9, 17435635), (15, 10461381), (19, 8258985), (21, 7472415), (35, 4483449), (45, 3487127), (57, 2752995), (63, 2490805), (95, 1651797), (105, 1494483), (133, 1179855), (157, 999495), (167, 939645), (171, 917665), (285, 550599), (315, 498161), (399, 393285), (471, 333165), (501, 313215), (665, 235971), (785, 199899), (835, 187929), (855, 183533), (1099, 142785), (1169, 134235), (1197, 131095), (1413, 111055), (1503, 104405), (1995, 78657), (2355, 66633), (2505, 62643), (2983, 52605), (3173, 49455), (3297, 47595), (3507, 44745), (5495, 28557), (5845, 26847), (5985, 26219), (7065, 22211), (7515, 20881), (8949, 17535), (9519, 16485), (9891, 15865), (10521, 14915)]