1681120

素因数分解:

$2^5\times 5^1\times 7^1\times {\mathrm{19}}^1\times {\mathrm{79}}^1$

素因数の和:120

約数の個数: 96

約数和(自身を含む): 4838400

約数和(自身を除く): 3157280

約数列:

[1, 2, 4, 5, 7, 8, 10, 14, 16, 19, 20, 28, 32, 35, 38, 40, 56, 70, 76, 79, 80, 95, 112, 133, 140, 152, 158, 160, 190, 224, 266, 280, 304, 316, 380, 395, 532, 553, 560, 608, 632, 665, 760, 790, 1064, 1106, 1120, 1264, 1330, 1501, 1520, 1580, 2128, 2212, 2528, 2660, 2765, 3002, 3040, 3160, 4256, 4424, 5320, 5530, 6004, 6320, 7505, 8848, 10507, 10640, 11060, 12008, 12640, 15010, 17696, 21014, 21280, 22120, 24016, 30020, 42028, 44240, 48032, 52535, 60040, 84056, 88480, 105070, 120080, 168112, 210140, 240160, 336224, 420280, 840560, 1681120]

約数ペア:

[(1, 1681120), (2, 840560), (4, 420280), (5, 336224), (7, 240160), (8, 210140), (10, 168112), (14, 120080), (16, 105070), (19, 88480), (20, 84056), (28, 60040), (32, 52535), (35, 48032), (38, 44240), (40, 42028), (56, 30020), (70, 24016), (76, 22120), (79, 21280), (80, 21014), (95, 17696), (112, 15010), (133, 12640), (140, 12008), (152, 11060), (158, 10640), (160, 10507), (190, 8848), (224, 7505), (266, 6320), (280, 6004), (304, 5530), (316, 5320), (380, 4424), (395, 4256), (532, 3160), (553, 3040), (560, 3002), (608, 2765), (632, 2660), (665, 2528), (760, 2212), (790, 2128), (1064, 1580), (1106, 1520), (1120, 1501), (1264, 1330)]