221451780

素因数分解:

$2^2\times 3^1\times 5^1\times {\mathrm{11}}^3\times {\mathrm{47}}^1\times {\mathrm{59}}^1$

素因数の和:151

約数の個数: 192

約数和(自身を含む): 708341760

約数和(自身を除く): 486889980

約数列:

[1, 2, 3, 4, 5, 6, 10, 11, 12, 15, 20, 22, 30, 33, 44, 47, 55, 59, 60, 66, 94, 110, 118, 121, 132, 141, 165, 177, 188, 220, 235, 236, 242, 282, 295, 330, 354, 363, 470, 484, 517, 564, 590, 605, 649, 660, 705, 708, 726, 885, 940, 1034, 1180, 1210, 1298, 1331, 1410, 1452, 1551, 1770, 1815, 1947, 2068, 2420, 2585, 2596, 2662, 2773, 2820, 3102, 3245, 3540, 3630, 3894, 3993, 5170, 5324, 5546, 5687, 6204, 6490, 6655, 7139, 7260, 7755, 7788, 7986, 8319, 9735, 10340, 11092, 11374, 12980, 13310, 13865, 14278, 15510, 15972, 16638, 17061, 19470, 19965, 21417, 22748, 26620, 27730, 28435, 28556, 30503, 31020, 33276, 34122, 35695, 38940, 39930, 41595, 42834, 55460, 56870, 61006, 62557, 68244, 71390, 78529, 79860, 83190, 85305, 85668, 91509, 107085, 113740, 122012, 125114, 142780, 152515, 157058, 166380, 170610, 183018, 187671, 214170, 235587, 250228, 305030, 312785, 314116, 335533, 341220, 366036, 375342, 392645, 428340, 457545, 471174, 610060, 625570, 671066, 750684, 785290, 915090, 938355, 942348, 1006599, 1177935, 1251140, 1342132, 1570580, 1677665, 1830180, 1876710, 2013198, 2355870, 3355330, 3690863, 3753420, 4026396, 4711740, 5032995, 6710660, 7381726, 10065990, 11072589, 14763452, 18454315, 20131980, 22145178, 36908630, 44290356, 55362945, 73817260, 110725890, 221451780]

約数ペア:

[(1, 221451780), (2, 110725890), (3, 73817260), (4, 55362945), (5, 44290356), (6, 36908630), (10, 22145178), (11, 20131980), (12, 18454315), (15, 14763452), (20, 11072589), (22, 10065990), (30, 7381726), (33, 6710660), (44, 5032995), (47, 4711740), (55, 4026396), (59, 3753420), (60, 3690863), (66, 3355330), (94, 2355870), (110, 2013198), (118, 1876710), (121, 1830180), (132, 1677665), (141, 1570580), (165, 1342132), (177, 1251140), (188, 1177935), (220, 1006599), (235, 942348), (236, 938355), (242, 915090), (282, 785290), (295, 750684), (330, 671066), (354, 625570), (363, 610060), (470, 471174), (484, 457545), (517, 428340), (564, 392645), (590, 375342), (605, 366036), (649, 341220), (660, 335533), (705, 314116), (708, 312785), (726, 305030), (885, 250228), (940, 235587), (1034, 214170), (1180, 187671), (1210, 183018), (1298, 170610), (1331, 166380), (1410, 157058), (1452, 152515), (1551, 142780), (1770, 125114), (1815, 122012), (1947, 113740), (2068, 107085), (2420, 91509), (2585, 85668), (2596, 85305), (2662, 83190), (2773, 79860), (2820, 78529), (3102, 71390), (3245, 68244), (3540, 62557), (3630, 61006), (3894, 56870), (3993, 55460), (5170, 42834), (5324, 41595), (5546, 39930), (5687, 38940), (6204, 35695), (6490, 34122), (6655, 33276), (7139, 31020), (7260, 30503), (7755, 28556), (7788, 28435), (7986, 27730), (8319, 26620), (9735, 22748), (10340, 21417), (11092, 19965), (11374, 19470), (12980, 17061), (13310, 16638), (13865, 15972), (14278, 15510)]