220107720

素因数分解:

$2^3\times 3^1\times 5^1\times 7^1\times {\mathrm{157}}^1\times {\mathrm{1669}}^1$

素因数の和:1847

約数の個数: 128

約数和(自身を含む): 759916800

約数和(自身を除く): 539809080

約数列:

[1, 2, 3, 4, 5, 6, 7, 8, 10, 12, 14, 15, 20, 21, 24, 28, 30, 35, 40, 42, 56, 60, 70, 84, 105, 120, 140, 157, 168, 210, 280, 314, 420, 471, 628, 785, 840, 942, 1099, 1256, 1570, 1669, 1884, 2198, 2355, 3140, 3297, 3338, 3768, 4396, 4710, 5007, 5495, 6280, 6594, 6676, 8345, 8792, 9420, 10014, 10990, 11683, 13188, 13352, 16485, 16690, 18840, 20028, 21980, 23366, 25035, 26376, 32970, 33380, 35049, 40056, 43960, 46732, 50070, 58415, 65940, 66760, 70098, 93464, 100140, 116830, 131880, 140196, 175245, 200280, 233660, 262033, 280392, 350490, 467320, 524066, 700980, 786099, 1048132, 1310165, 1401960, 1572198, 1834231, 2096264, 2620330, 3144396, 3668462, 3930495, 5240660, 5502693, 6288792, 7336924, 7860990, 9171155, 10481320, 11005386, 14673848, 15721980, 18342310, 22010772, 27513465, 31443960, 36684620, 44021544, 55026930, 73369240, 110053860, 220107720]

約数ペア:

[(1, 220107720), (2, 110053860), (3, 73369240), (4, 55026930), (5, 44021544), (6, 36684620), (7, 31443960), (8, 27513465), (10, 22010772), (12, 18342310), (14, 15721980), (15, 14673848), (20, 11005386), (21, 10481320), (24, 9171155), (28, 7860990), (30, 7336924), (35, 6288792), (40, 5502693), (42, 5240660), (56, 3930495), (60, 3668462), (70, 3144396), (84, 2620330), (105, 2096264), (120, 1834231), (140, 1572198), (157, 1401960), (168, 1310165), (210, 1048132), (280, 786099), (314, 700980), (420, 524066), (471, 467320), (628, 350490), (785, 280392), (840, 262033), (942, 233660), (1099, 200280), (1256, 175245), (1570, 140196), (1669, 131880), (1884, 116830), (2198, 100140), (2355, 93464), (3140, 70098), (3297, 66760), (3338, 65940), (3768, 58415), (4396, 50070), (4710, 46732), (5007, 43960), (5495, 40056), (6280, 35049), (6594, 33380), (6676, 32970), (8345, 26376), (8792, 25035), (9420, 23366), (10014, 21980), (10990, 20028), (11683, 18840), (13188, 16690), (13352, 16485)]