221254740

素因数分解:

$2^2\times 3^4\times 5^1\times 7^1\times {\mathrm{109}}^1\times {\mathrm{179}}^1$

素因数の和:316

約数の個数: 240

約数和(自身を含む): 804988800

約数和(自身を除く): 583734060

約数列:

[1, 2, 3, 4, 5, 6, 7, 9, 10, 12, 14, 15, 18, 20, 21, 27, 28, 30, 35, 36, 42, 45, 54, 60, 63, 70, 81, 84, 90, 105, 108, 109, 126, 135, 140, 162, 179, 180, 189, 210, 218, 252, 270, 315, 324, 327, 358, 378, 405, 420, 436, 537, 540, 545, 567, 630, 654, 716, 756, 763, 810, 895, 945, 981, 1074, 1090, 1134, 1253, 1260, 1308, 1526, 1611, 1620, 1635, 1790, 1890, 1962, 2148, 2180, 2268, 2289, 2506, 2685, 2835, 2943, 3052, 3222, 3270, 3580, 3759, 3780, 3815, 3924, 4578, 4833, 4905, 5012, 5370, 5670, 5886, 6265, 6444, 6540, 6867, 7518, 7630, 8055, 8829, 9156, 9666, 9810, 10740, 11277, 11340, 11445, 11772, 12530, 13734, 14499, 14715, 15036, 15260, 16110, 17658, 18795, 19332, 19511, 19620, 20601, 22554, 22890, 24165, 25060, 27468, 28998, 29430, 32220, 33831, 34335, 35316, 37590, 39022, 41202, 44145, 45108, 45780, 48330, 56385, 57996, 58533, 58860, 61803, 67662, 68670, 72495, 75180, 78044, 82404, 88290, 96660, 97555, 101493, 103005, 112770, 117066, 123606, 135324, 136577, 137340, 144990, 169155, 175599, 176580, 195110, 202986, 206010, 225540, 234132, 247212, 273154, 289980, 292665, 309015, 338310, 351198, 390220, 405972, 409731, 412020, 507465, 526797, 546308, 585330, 618030, 676620, 682885, 702396, 819462, 877995, 1014930, 1053594, 1170660, 1229193, 1236060, 1365770, 1580391, 1638924, 1755990, 2029860, 2048655, 2107188, 2458386, 2633985, 2731540, 3160782, 3511980, 3687579, 4097310, 4916772, 5267970, 6145965, 6321564, 7375158, 7901955, 8194620, 10535940, 11062737, 12291930, 14750316, 15803910, 18437895, 22125474, 24583860, 31607820, 36875790, 44250948, 55313685, 73751580, 110627370, 221254740]

約数ペア:

[(1, 221254740), (2, 110627370), (3, 73751580), (4, 55313685), (5, 44250948), (6, 36875790), (7, 31607820), (9, 24583860), (10, 22125474), (12, 18437895), (14, 15803910), (15, 14750316), (18, 12291930), (20, 11062737), (21, 10535940), (27, 8194620), (28, 7901955), (30, 7375158), (35, 6321564), (36, 6145965), (42, 5267970), (45, 4916772), (54, 4097310), (60, 3687579), (63, 3511980), (70, 3160782), (81, 2731540), (84, 2633985), (90, 2458386), (105, 2107188), (108, 2048655), (109, 2029860), (126, 1755990), (135, 1638924), (140, 1580391), (162, 1365770), (179, 1236060), (180, 1229193), (189, 1170660), (210, 1053594), (218, 1014930), (252, 877995), (270, 819462), (315, 702396), (324, 682885), (327, 676620), (358, 618030), (378, 585330), (405, 546308), (420, 526797), (436, 507465), (537, 412020), (540, 409731), (545, 405972), (567, 390220), (630, 351198), (654, 338310), (716, 309015), (756, 292665), (763, 289980), (810, 273154), (895, 247212), (945, 234132), (981, 225540), (1074, 206010), (1090, 202986), (1134, 195110), (1253, 176580), (1260, 175599), (1308, 169155), (1526, 144990), (1611, 137340), (1620, 136577), (1635, 135324), (1790, 123606), (1890, 117066), (1962, 112770), (2148, 103005), (2180, 101493), (2268, 97555), (2289, 96660), (2506, 88290), (2685, 82404), (2835, 78044), (2943, 75180), (3052, 72495), (3222, 68670), (3270, 67662), (3580, 61803), (3759, 58860), (3780, 58533), (3815, 57996), (3924, 56385), (4578, 48330), (4833, 45780), (4905, 45108), (5012, 44145), (5370, 41202), (5670, 39022), (5886, 37590), (6265, 35316), (6444, 34335), (6540, 33831), (6867, 32220), (7518, 29430), (7630, 28998), (8055, 27468), (8829, 25060), (9156, 24165), (9666, 22890), (9810, 22554), (10740, 20601), (11277, 19620), (11340, 19511), (11445, 19332), (11772, 18795), (12530, 17658), (13734, 16110), (14499, 15260), (14715, 15036)]