221068440

素因数分解:

$2^3\times 3^4\times 5^1\times {\mathrm{31}}^2\times {\mathrm{71}}^1$

素因数の和:156

約数の個数: 240

約数和(自身を含む): 778591440

約数和(自身を除く): 557523000

約数列:

[1, 2, 3, 4, 5, 6, 8, 9, 10, 12, 15, 18, 20, 24, 27, 30, 31, 36, 40, 45, 54, 60, 62, 71, 72, 81, 90, 93, 108, 120, 124, 135, 142, 155, 162, 180, 186, 213, 216, 248, 270, 279, 284, 310, 324, 355, 360, 372, 405, 426, 465, 540, 558, 568, 620, 639, 648, 710, 744, 810, 837, 852, 930, 961, 1065, 1080, 1116, 1240, 1278, 1395, 1420, 1620, 1674, 1704, 1860, 1917, 1922, 2130, 2201, 2232, 2511, 2556, 2790, 2840, 2883, 3195, 3240, 3348, 3720, 3834, 3844, 4185, 4260, 4402, 4805, 5022, 5112, 5580, 5751, 5766, 6390, 6603, 6696, 7668, 7688, 8370, 8520, 8649, 8804, 9585, 9610, 10044, 11005, 11160, 11502, 11532, 12555, 12780, 13206, 14415, 15336, 16740, 17298, 17608, 19170, 19220, 19809, 20088, 22010, 23004, 23064, 25110, 25560, 25947, 26412, 28755, 28830, 33015, 33480, 34596, 38340, 38440, 39618, 43245, 44020, 46008, 50220, 51894, 52824, 57510, 57660, 59427, 66030, 68231, 69192, 76680, 77841, 79236, 86490, 88040, 99045, 100440, 103788, 115020, 115320, 118854, 129735, 132060, 136462, 155682, 158472, 172980, 178281, 198090, 204693, 207576, 230040, 237708, 259470, 264120, 272924, 297135, 311364, 341155, 345960, 356562, 389205, 396180, 409386, 475416, 518940, 545848, 594270, 614079, 622728, 682310, 713124, 778410, 792360, 818772, 891405, 1023465, 1037880, 1188540, 1228158, 1364620, 1426248, 1556820, 1637544, 1782810, 1842237, 2046930, 2377080, 2456316, 2729240, 3070395, 3113640, 3565620, 3684474, 4093860, 4912632, 5526711, 6140790, 7131240, 7368948, 8187720, 9211185, 11053422, 12281580, 14737896, 18422370, 22106844, 24563160, 27633555, 36844740, 44213688, 55267110, 73689480, 110534220, 221068440]

約数ペア:

[(1, 221068440), (2, 110534220), (3, 73689480), (4, 55267110), (5, 44213688), (6, 36844740), (8, 27633555), (9, 24563160), (10, 22106844), (12, 18422370), (15, 14737896), (18, 12281580), (20, 11053422), (24, 9211185), (27, 8187720), (30, 7368948), (31, 7131240), (36, 6140790), (40, 5526711), (45, 4912632), (54, 4093860), (60, 3684474), (62, 3565620), (71, 3113640), (72, 3070395), (81, 2729240), (90, 2456316), (93, 2377080), (108, 2046930), (120, 1842237), (124, 1782810), (135, 1637544), (142, 1556820), (155, 1426248), (162, 1364620), (180, 1228158), (186, 1188540), (213, 1037880), (216, 1023465), (248, 891405), (270, 818772), (279, 792360), (284, 778410), (310, 713124), (324, 682310), (355, 622728), (360, 614079), (372, 594270), (405, 545848), (426, 518940), (465, 475416), (540, 409386), (558, 396180), (568, 389205), (620, 356562), (639, 345960), (648, 341155), (710, 311364), (744, 297135), (810, 272924), (837, 264120), (852, 259470), (930, 237708), (961, 230040), (1065, 207576), (1080, 204693), (1116, 198090), (1240, 178281), (1278, 172980), (1395, 158472), (1420, 155682), (1620, 136462), (1674, 132060), (1704, 129735), (1860, 118854), (1917, 115320), (1922, 115020), (2130, 103788), (2201, 100440), (2232, 99045), (2511, 88040), (2556, 86490), (2790, 79236), (2840, 77841), (2883, 76680), (3195, 69192), (3240, 68231), (3348, 66030), (3720, 59427), (3834, 57660), (3844, 57510), (4185, 52824), (4260, 51894), (4402, 50220), (4805, 46008), (5022, 44020), (5112, 43245), (5580, 39618), (5751, 38440), (5766, 38340), (6390, 34596), (6603, 33480), (6696, 33015), (7668, 28830), (7688, 28755), (8370, 26412), (8520, 25947), (8649, 25560), (8804, 25110), (9585, 23064), (9610, 23004), (10044, 22010), (11005, 20088), (11160, 19809), (11502, 19220), (11532, 19170), (12555, 17608), (12780, 17298), (13206, 16740), (14415, 15336)]