4019580

素因数分解:

$2^2\times 3^2\times 5^1\times {\mathrm{137}}^1\times {\mathrm{163}}^1$

素因数の和:315

約数の個数: 72

約数和(自身を含む): 12357072

約数和(自身を除く): 8337492

約数列:

[1, 2, 3, 4, 5, 6, 9, 10, 12, 15, 18, 20, 30, 36, 45, 60, 90, 137, 163, 180, 274, 326, 411, 489, 548, 652, 685, 815, 822, 978, 1233, 1370, 1467, 1630, 1644, 1956, 2055, 2445, 2466, 2740, 2934, 3260, 4110, 4890, 4932, 5868, 6165, 7335, 8220, 9780, 12330, 14670, 22331, 24660, 29340, 44662, 66993, 89324, 111655, 133986, 200979, 223310, 267972, 334965, 401958, 446620, 669930, 803916, 1004895, 1339860, 2009790, 4019580]

約数ペア:

[(1, 4019580), (2, 2009790), (3, 1339860), (4, 1004895), (5, 803916), (6, 669930), (9, 446620), (10, 401958), (12, 334965), (15, 267972), (18, 223310), (20, 200979), (30, 133986), (36, 111655), (45, 89324), (60, 66993), (90, 44662), (137, 29340), (163, 24660), (180, 22331), (274, 14670), (326, 12330), (411, 9780), (489, 8220), (548, 7335), (652, 6165), (685, 5868), (815, 4932), (822, 4890), (978, 4110), (1233, 3260), (1370, 2934), (1467, 2740), (1630, 2466), (1644, 2445), (1956, 2055)]