220791780

素因数分解:

$2^2\times 3^2\times 5^1\times {\mathrm{11}}^1\times {\mathrm{19}}^1\times {\mathrm{5869}}^1$

素因数の和:5914

約数の個数: 144

約数和(自身を含む): 769204800

約数和(自身を除く): 548413020

約数列:

[1, 2, 3, 4, 5, 6, 9, 10, 11, 12, 15, 18, 19, 20, 22, 30, 33, 36, 38, 44, 45, 55, 57, 60, 66, 76, 90, 95, 99, 110, 114, 132, 165, 171, 180, 190, 198, 209, 220, 228, 285, 330, 342, 380, 396, 418, 495, 570, 627, 660, 684, 836, 855, 990, 1045, 1140, 1254, 1710, 1881, 1980, 2090, 2508, 3135, 3420, 3762, 4180, 5869, 6270, 7524, 9405, 11738, 12540, 17607, 18810, 23476, 29345, 35214, 37620, 52821, 58690, 64559, 70428, 88035, 105642, 111511, 117380, 129118, 176070, 193677, 211284, 223022, 258236, 264105, 322795, 334533, 352140, 387354, 446044, 528210, 557555, 581031, 645590, 669066, 774708, 968385, 1003599, 1056420, 1115110, 1162062, 1226621, 1291180, 1338132, 1672665, 1936770, 2007198, 2230220, 2324124, 2453242, 2905155, 3345330, 3679863, 3873540, 4014396, 4906484, 5017995, 5810310, 6133105, 6690660, 7359726, 10035990, 11039589, 11620620, 12266210, 14719452, 18399315, 20071980, 22079178, 24532420, 36798630, 44158356, 55197945, 73597260, 110395890, 220791780]

約数ペア:

[(1, 220791780), (2, 110395890), (3, 73597260), (4, 55197945), (5, 44158356), (6, 36798630), (9, 24532420), (10, 22079178), (11, 20071980), (12, 18399315), (15, 14719452), (18, 12266210), (19, 11620620), (20, 11039589), (22, 10035990), (30, 7359726), (33, 6690660), (36, 6133105), (38, 5810310), (44, 5017995), (45, 4906484), (55, 4014396), (57, 3873540), (60, 3679863), (66, 3345330), (76, 2905155), (90, 2453242), (95, 2324124), (99, 2230220), (110, 2007198), (114, 1936770), (132, 1672665), (165, 1338132), (171, 1291180), (180, 1226621), (190, 1162062), (198, 1115110), (209, 1056420), (220, 1003599), (228, 968385), (285, 774708), (330, 669066), (342, 645590), (380, 581031), (396, 557555), (418, 528210), (495, 446044), (570, 387354), (627, 352140), (660, 334533), (684, 322795), (836, 264105), (855, 258236), (990, 223022), (1045, 211284), (1140, 193677), (1254, 176070), (1710, 129118), (1881, 117380), (1980, 111511), (2090, 105642), (2508, 88035), (3135, 70428), (3420, 64559), (3762, 58690), (4180, 52821), (5869, 37620), (6270, 35214), (7524, 29345), (9405, 23476), (11738, 18810), (12540, 17607)]