61522020

素因数分解:

$2^2\times 3^2\times 5^1\times 7^1\times {\mathrm{157}}^1\times {\mathrm{311}}^1$

素因数の和:490

約数の個数: 144

約数和(自身を含む): 215324928

約数和(自身を除く): 153802908

約数列:

[1, 2, 3, 4, 5, 6, 7, 9, 10, 12, 14, 15, 18, 20, 21, 28, 30, 35, 36, 42, 45, 60, 63, 70, 84, 90, 105, 126, 140, 157, 180, 210, 252, 311, 314, 315, 420, 471, 622, 628, 630, 785, 933, 942, 1099, 1244, 1260, 1413, 1555, 1570, 1866, 1884, 2177, 2198, 2355, 2799, 2826, 3110, 3140, 3297, 3732, 4354, 4396, 4665, 4710, 5495, 5598, 5652, 6220, 6531, 6594, 7065, 8708, 9330, 9420, 9891, 10885, 10990, 11196, 13062, 13188, 13995, 14130, 16485, 18660, 19593, 19782, 21770, 21980, 26124, 27990, 28260, 32655, 32970, 39186, 39564, 43540, 48827, 49455, 55980, 65310, 65940, 78372, 97654, 97965, 98910, 130620, 146481, 195308, 195930, 197820, 244135, 292962, 341789, 391860, 439443, 488270, 585924, 683578, 732405, 878886, 976540, 1025367, 1367156, 1464810, 1708945, 1757772, 2050734, 2197215, 2929620, 3076101, 3417890, 4101468, 4394430, 5126835, 6152202, 6835780, 8788860, 10253670, 12304404, 15380505, 20507340, 30761010, 61522020]

約数ペア:

[(1, 61522020), (2, 30761010), (3, 20507340), (4, 15380505), (5, 12304404), (6, 10253670), (7, 8788860), (9, 6835780), (10, 6152202), (12, 5126835), (14, 4394430), (15, 4101468), (18, 3417890), (20, 3076101), (21, 2929620), (28, 2197215), (30, 2050734), (35, 1757772), (36, 1708945), (42, 1464810), (45, 1367156), (60, 1025367), (63, 976540), (70, 878886), (84, 732405), (90, 683578), (105, 585924), (126, 488270), (140, 439443), (157, 391860), (180, 341789), (210, 292962), (252, 244135), (311, 197820), (314, 195930), (315, 195308), (420, 146481), (471, 130620), (622, 98910), (628, 97965), (630, 97654), (785, 78372), (933, 65940), (942, 65310), (1099, 55980), (1244, 49455), (1260, 48827), (1413, 43540), (1555, 39564), (1570, 39186), (1866, 32970), (1884, 32655), (2177, 28260), (2198, 27990), (2355, 26124), (2799, 21980), (2826, 21770), (3110, 19782), (3140, 19593), (3297, 18660), (3732, 16485), (4354, 14130), (4396, 13995), (4665, 13188), (4710, 13062), (5495, 11196), (5598, 10990), (5652, 10885), (6220, 9891), (6531, 9420), (6594, 9330), (7065, 8708)]