261967020

素因数分解:

$2^2\times 3^1\times 5^1\times 7^1\times {\mathrm{223}}^1\times {\mathrm{2797}}^1$

素因数の和:3039

約数の個数: 96

約数和(自身を含む): 842354688

約数和(自身を除く): 580387668

約数列:

[1, 2, 3, 4, 5, 6, 7, 10, 12, 14, 15, 20, 21, 28, 30, 35, 42, 60, 70, 84, 105, 140, 210, 223, 420, 446, 669, 892, 1115, 1338, 1561, 2230, 2676, 2797, 3122, 3345, 4460, 4683, 5594, 6244, 6690, 7805, 8391, 9366, 11188, 13380, 13985, 15610, 16782, 18732, 19579, 23415, 27970, 31220, 33564, 39158, 41955, 46830, 55940, 58737, 78316, 83910, 93660, 97895, 117474, 167820, 195790, 234948, 293685, 391580, 587370, 623731, 1174740, 1247462, 1871193, 2494924, 3118655, 3742386, 4366117, 6237310, 7484772, 8732234, 9355965, 12474620, 13098351, 17464468, 18711930, 21830585, 26196702, 37423860, 43661170, 52393404, 65491755, 87322340, 130983510, 261967020]

約数ペア:

[(1, 261967020), (2, 130983510), (3, 87322340), (4, 65491755), (5, 52393404), (6, 43661170), (7, 37423860), (10, 26196702), (12, 21830585), (14, 18711930), (15, 17464468), (20, 13098351), (21, 12474620), (28, 9355965), (30, 8732234), (35, 7484772), (42, 6237310), (60, 4366117), (70, 3742386), (84, 3118655), (105, 2494924), (140, 1871193), (210, 1247462), (223, 1174740), (420, 623731), (446, 587370), (669, 391580), (892, 293685), (1115, 234948), (1338, 195790), (1561, 167820), (2230, 117474), (2676, 97895), (2797, 93660), (3122, 83910), (3345, 78316), (4460, 58737), (4683, 55940), (5594, 46830), (6244, 41955), (6690, 39158), (7805, 33564), (8391, 31220), (9366, 27970), (11188, 23415), (13380, 19579), (13985, 18732), (15610, 16782)]