305638320

素因数分解:

$2^4\times 3^1\times 5^1\times {\mathrm{13}}^1\times {\mathrm{97961}}^1$

素因数の和:97990

約数の個数: 80

約数和(自身を含む): 1020372192

約数和(自身を除く): 714733872

約数列:

[1, 2, 3, 4, 5, 6, 8, 10, 12, 13, 15, 16, 20, 24, 26, 30, 39, 40, 48, 52, 60, 65, 78, 80, 104, 120, 130, 156, 195, 208, 240, 260, 312, 390, 520, 624, 780, 1040, 1560, 3120, 97961, 195922, 293883, 391844, 489805, 587766, 783688, 979610, 1175532, 1273493, 1469415, 1567376, 1959220, 2351064, 2546986, 2938830, 3820479, 3918440, 4702128, 5093972, 5877660, 6367465, 7640958, 7836880, 10187944, 11755320, 12734930, 15281916, 19102395, 20375888, 23510640, 25469860, 30563832, 38204790, 50939720, 61127664, 76409580, 101879440, 152819160, 305638320]

約数ペア:

[(1, 305638320), (2, 152819160), (3, 101879440), (4, 76409580), (5, 61127664), (6, 50939720), (8, 38204790), (10, 30563832), (12, 25469860), (13, 23510640), (15, 20375888), (16, 19102395), (20, 15281916), (24, 12734930), (26, 11755320), (30, 10187944), (39, 7836880), (40, 7640958), (48, 6367465), (52, 5877660), (60, 5093972), (65, 4702128), (78, 3918440), (80, 3820479), (104, 2938830), (120, 2546986), (130, 2351064), (156, 1959220), (195, 1567376), (208, 1469415), (240, 1273493), (260, 1175532), (312, 979610), (390, 783688), (520, 587766), (624, 489805), (780, 391844), (1040, 293883), (1560, 195922), (3120, 97961)]