31739120

素因数分解:

$2^4\times 5^1\times 7^1\times {\mathrm{19}}^2\times {\mathrm{157}}^1$

素因数の和:215

約数の個数: 120

約数和(自身を含む): 89574624

約数和(自身を除く): 57835504

約数列:

[1, 2, 4, 5, 7, 8, 10, 14, 16, 19, 20, 28, 35, 38, 40, 56, 70, 76, 80, 95, 112, 133, 140, 152, 157, 190, 266, 280, 304, 314, 361, 380, 532, 560, 628, 665, 722, 760, 785, 1064, 1099, 1256, 1330, 1444, 1520, 1570, 1805, 2128, 2198, 2512, 2527, 2660, 2888, 2983, 3140, 3610, 4396, 5054, 5320, 5495, 5776, 5966, 6280, 7220, 8792, 10108, 10640, 10990, 11932, 12560, 12635, 14440, 14915, 17584, 20216, 20881, 21980, 23864, 25270, 28880, 29830, 40432, 41762, 43960, 47728, 50540, 56677, 59660, 83524, 87920, 101080, 104405, 113354, 119320, 167048, 202160, 208810, 226708, 238640, 283385, 334096, 396739, 417620, 453416, 566770, 793478, 835240, 906832, 1133540, 1586956, 1670480, 1983695, 2267080, 3173912, 3967390, 4534160, 6347824, 7934780, 15869560, 31739120]

約数ペア:

[(1, 31739120), (2, 15869560), (4, 7934780), (5, 6347824), (7, 4534160), (8, 3967390), (10, 3173912), (14, 2267080), (16, 1983695), (19, 1670480), (20, 1586956), (28, 1133540), (35, 906832), (38, 835240), (40, 793478), (56, 566770), (70, 453416), (76, 417620), (80, 396739), (95, 334096), (112, 283385), (133, 238640), (140, 226708), (152, 208810), (157, 202160), (190, 167048), (266, 119320), (280, 113354), (304, 104405), (314, 101080), (361, 87920), (380, 83524), (532, 59660), (560, 56677), (628, 50540), (665, 47728), (722, 43960), (760, 41762), (785, 40432), (1064, 29830), (1099, 28880), (1256, 25270), (1330, 23864), (1444, 21980), (1520, 20881), (1570, 20216), (1805, 17584), (2128, 14915), (2198, 14440), (2512, 12635), (2527, 12560), (2660, 11932), (2888, 10990), (2983, 10640), (3140, 10108), (3610, 8792), (4396, 7220), (5054, 6280), (5320, 5966), (5495, 5776)]