221253480

素因数分解:

$2^3\times 3^2\times 5^1\times 7^1\times {\mathrm{19}}^1\times {\mathrm{4621}}^1$

素因数の和:4664

約数の個数: 192

約数和(自身を含む): 865238400

約数和(自身を除く): 643984920

約数列:

[1, 2, 3, 4, 5, 6, 7, 8, 9, 10, 12, 14, 15, 18, 19, 20, 21, 24, 28, 30, 35, 36, 38, 40, 42, 45, 56, 57, 60, 63, 70, 72, 76, 84, 90, 95, 105, 114, 120, 126, 133, 140, 152, 168, 171, 180, 190, 210, 228, 252, 266, 280, 285, 315, 342, 360, 380, 399, 420, 456, 504, 532, 570, 630, 665, 684, 760, 798, 840, 855, 1064, 1140, 1197, 1260, 1330, 1368, 1596, 1710, 1995, 2280, 2394, 2520, 2660, 3192, 3420, 3990, 4621, 4788, 5320, 5985, 6840, 7980, 9242, 9576, 11970, 13863, 15960, 18484, 23105, 23940, 27726, 32347, 36968, 41589, 46210, 47880, 55452, 64694, 69315, 83178, 87799, 92420, 97041, 110904, 129388, 138630, 161735, 166356, 175598, 184840, 194082, 207945, 258776, 263397, 277260, 291123, 323470, 332712, 351196, 388164, 415890, 438995, 485205, 526794, 554520, 582246, 614593, 646940, 702392, 776328, 790191, 831780, 877990, 970410, 1053588, 1164492, 1229186, 1293880, 1316985, 1455615, 1580382, 1663560, 1755980, 1843779, 1940820, 2107176, 2328984, 2458372, 2633970, 2911230, 3072965, 3160764, 3511960, 3687558, 3881640, 3950955, 4916744, 5267940, 5531337, 5822460, 6145930, 6321528, 7375116, 7901910, 9218895, 10535880, 11062674, 11644920, 12291860, 14750232, 15803820, 18437790, 22125348, 24583720, 27656685, 31607640, 36875580, 44250696, 55313370, 73751160, 110626740, 221253480]

約数ペア:

[(1, 221253480), (2, 110626740), (3, 73751160), (4, 55313370), (5, 44250696), (6, 36875580), (7, 31607640), (8, 27656685), (9, 24583720), (10, 22125348), (12, 18437790), (14, 15803820), (15, 14750232), (18, 12291860), (19, 11644920), (20, 11062674), (21, 10535880), (24, 9218895), (28, 7901910), (30, 7375116), (35, 6321528), (36, 6145930), (38, 5822460), (40, 5531337), (42, 5267940), (45, 4916744), (56, 3950955), (57, 3881640), (60, 3687558), (63, 3511960), (70, 3160764), (72, 3072965), (76, 2911230), (84, 2633970), (90, 2458372), (95, 2328984), (105, 2107176), (114, 1940820), (120, 1843779), (126, 1755980), (133, 1663560), (140, 1580382), (152, 1455615), (168, 1316985), (171, 1293880), (180, 1229186), (190, 1164492), (210, 1053588), (228, 970410), (252, 877990), (266, 831780), (280, 790191), (285, 776328), (315, 702392), (342, 646940), (360, 614593), (380, 582246), (399, 554520), (420, 526794), (456, 485205), (504, 438995), (532, 415890), (570, 388164), (630, 351196), (665, 332712), (684, 323470), (760, 291123), (798, 277260), (840, 263397), (855, 258776), (1064, 207945), (1140, 194082), (1197, 184840), (1260, 175598), (1330, 166356), (1368, 161735), (1596, 138630), (1710, 129388), (1995, 110904), (2280, 97041), (2394, 92420), (2520, 87799), (2660, 83178), (3192, 69315), (3420, 64694), (3990, 55452), (4621, 47880), (4788, 46210), (5320, 41589), (5985, 36968), (6840, 32347), (7980, 27726), (9242, 23940), (9576, 23105), (11970, 18484), (13863, 15960)]