81585720

素因数分解:

$2^3\times 3^2\times 5^1\times {\mathrm{17}}^1\times {\mathrm{13331}}^1$

素因数の和:13365

約数の個数: 96

約数和(自身を含む): 280771920

約数和(自身を除く): 199186200

約数列:

[1, 2, 3, 4, 5, 6, 8, 9, 10, 12, 15, 17, 18, 20, 24, 30, 34, 36, 40, 45, 51, 60, 68, 72, 85, 90, 102, 120, 136, 153, 170, 180, 204, 255, 306, 340, 360, 408, 510, 612, 680, 765, 1020, 1224, 1530, 2040, 3060, 6120, 13331, 26662, 39993, 53324, 66655, 79986, 106648, 119979, 133310, 159972, 199965, 226627, 239958, 266620, 319944, 399930, 453254, 479916, 533240, 599895, 679881, 799860, 906508, 959832, 1133135, 1199790, 1359762, 1599720, 1813016, 2039643, 2266270, 2399580, 2719524, 3399405, 4079286, 4532540, 4799160, 5439048, 6798810, 8158572, 9065080, 10198215, 13597620, 16317144, 20396430, 27195240, 40792860, 81585720]

約数ペア:

[(1, 81585720), (2, 40792860), (3, 27195240), (4, 20396430), (5, 16317144), (6, 13597620), (8, 10198215), (9, 9065080), (10, 8158572), (12, 6798810), (15, 5439048), (17, 4799160), (18, 4532540), (20, 4079286), (24, 3399405), (30, 2719524), (34, 2399580), (36, 2266270), (40, 2039643), (45, 1813016), (51, 1599720), (60, 1359762), (68, 1199790), (72, 1133135), (85, 959832), (90, 906508), (102, 799860), (120, 679881), (136, 599895), (153, 533240), (170, 479916), (180, 453254), (204, 399930), (255, 319944), (306, 266620), (340, 239958), (360, 226627), (408, 199965), (510, 159972), (612, 133310), (680, 119979), (765, 106648), (1020, 79986), (1224, 66655), (1530, 53324), (2040, 39993), (3060, 26662), (6120, 13331)]