21177360

素因数分解:

$2^4\times 3^2\times 5^1\times {\mathrm{67}}^1\times {\mathrm{439}}^1$

素因数の和:525

約数の個数: 120

約数和(自身を含む): 72346560

約数和(自身を除く): 51169200

約数列:

[1, 2, 3, 4, 5, 6, 8, 9, 10, 12, 15, 16, 18, 20, 24, 30, 36, 40, 45, 48, 60, 67, 72, 80, 90, 120, 134, 144, 180, 201, 240, 268, 335, 360, 402, 439, 536, 603, 670, 720, 804, 878, 1005, 1072, 1206, 1317, 1340, 1608, 1756, 2010, 2195, 2412, 2634, 2680, 3015, 3216, 3512, 3951, 4020, 4390, 4824, 5268, 5360, 6030, 6585, 7024, 7902, 8040, 8780, 9648, 10536, 12060, 13170, 15804, 16080, 17560, 19755, 21072, 24120, 26340, 29413, 31608, 35120, 39510, 48240, 52680, 58826, 63216, 79020, 88239, 105360, 117652, 147065, 158040, 176478, 235304, 264717, 294130, 316080, 352956, 441195, 470608, 529434, 588260, 705912, 882390, 1058868, 1176520, 1323585, 1411824, 1764780, 2117736, 2353040, 2647170, 3529560, 4235472, 5294340, 7059120, 10588680, 21177360]

約数ペア:

[(1, 21177360), (2, 10588680), (3, 7059120), (4, 5294340), (5, 4235472), (6, 3529560), (8, 2647170), (9, 2353040), (10, 2117736), (12, 1764780), (15, 1411824), (16, 1323585), (18, 1176520), (20, 1058868), (24, 882390), (30, 705912), (36, 588260), (40, 529434), (45, 470608), (48, 441195), (60, 352956), (67, 316080), (72, 294130), (80, 264717), (90, 235304), (120, 176478), (134, 158040), (144, 147065), (180, 117652), (201, 105360), (240, 88239), (268, 79020), (335, 63216), (360, 58826), (402, 52680), (439, 48240), (536, 39510), (603, 35120), (670, 31608), (720, 29413), (804, 26340), (878, 24120), (1005, 21072), (1072, 19755), (1206, 17560), (1317, 16080), (1340, 15804), (1608, 13170), (1756, 12060), (2010, 10536), (2195, 9648), (2412, 8780), (2634, 8040), (2680, 7902), (3015, 7024), (3216, 6585), (3512, 6030), (3951, 5360), (4020, 5268), (4390, 4824)]