7426720

素因数分解:

$2^5\times 5^1\times 7^1\times {\mathrm{19}}^1\times {\mathrm{349}}^1$

素因数の和:390

約数の個数: 96

約数和(自身を含む): 21168000

約数和(自身を除く): 13741280

約数列:

[1, 2, 4, 5, 7, 8, 10, 14, 16, 19, 20, 28, 32, 35, 38, 40, 56, 70, 76, 80, 95, 112, 133, 140, 152, 160, 190, 224, 266, 280, 304, 349, 380, 532, 560, 608, 665, 698, 760, 1064, 1120, 1330, 1396, 1520, 1745, 2128, 2443, 2660, 2792, 3040, 3490, 4256, 4886, 5320, 5584, 6631, 6980, 9772, 10640, 11168, 12215, 13262, 13960, 19544, 21280, 24430, 26524, 27920, 33155, 39088, 46417, 48860, 53048, 55840, 66310, 78176, 92834, 97720, 106096, 132620, 185668, 195440, 212192, 232085, 265240, 371336, 390880, 464170, 530480, 742672, 928340, 1060960, 1485344, 1856680, 3713360, 7426720]

約数ペア:

[(1, 7426720), (2, 3713360), (4, 1856680), (5, 1485344), (7, 1060960), (8, 928340), (10, 742672), (14, 530480), (16, 464170), (19, 390880), (20, 371336), (28, 265240), (32, 232085), (35, 212192), (38, 195440), (40, 185668), (56, 132620), (70, 106096), (76, 97720), (80, 92834), (95, 78176), (112, 66310), (133, 55840), (140, 53048), (152, 48860), (160, 46417), (190, 39088), (224, 33155), (266, 27920), (280, 26524), (304, 24430), (349, 21280), (380, 19544), (532, 13960), (560, 13262), (608, 12215), (665, 11168), (698, 10640), (760, 9772), (1064, 6980), (1120, 6631), (1330, 5584), (1396, 5320), (1520, 4886), (1745, 4256), (2128, 3490), (2443, 3040), (2660, 2792)]