221168880

素因数分解:

$2^4\times 3^5\times 5^1\times {\mathrm{31}}^1\times {\mathrm{367}}^1$

素因数の和:426

約数の個数: 240

約数和(自身を含む): 797282304

約数和(自身を除く): 576113424

約数列:

[1, 2, 3, 4, 5, 6, 8, 9, 10, 12, 15, 16, 18, 20, 24, 27, 30, 31, 36, 40, 45, 48, 54, 60, 62, 72, 80, 81, 90, 93, 108, 120, 124, 135, 144, 155, 162, 180, 186, 216, 240, 243, 248, 270, 279, 310, 324, 360, 367, 372, 405, 432, 465, 486, 496, 540, 558, 620, 648, 720, 734, 744, 810, 837, 930, 972, 1080, 1101, 1116, 1215, 1240, 1296, 1395, 1468, 1488, 1620, 1674, 1835, 1860, 1944, 2160, 2202, 2232, 2430, 2480, 2511, 2790, 2936, 3240, 3303, 3348, 3670, 3720, 3888, 4185, 4404, 4464, 4860, 5022, 5505, 5580, 5872, 6480, 6606, 6696, 7340, 7440, 7533, 8370, 8808, 9720, 9909, 10044, 11010, 11160, 11377, 12555, 13212, 13392, 14680, 15066, 16515, 16740, 17616, 19440, 19818, 20088, 22020, 22320, 22754, 25110, 26424, 29360, 29727, 30132, 33030, 33480, 34131, 37665, 39636, 40176, 44040, 45508, 49545, 50220, 52848, 56885, 59454, 60264, 66060, 66960, 68262, 75330, 79272, 88080, 89181, 91016, 99090, 100440, 102393, 113770, 118908, 120528, 132120, 136524, 148635, 150660, 158544, 170655, 178362, 182032, 198180, 200880, 204786, 227540, 237816, 264240, 273048, 297270, 301320, 307179, 341310, 356724, 396360, 409572, 445905, 455080, 475632, 511965, 546096, 594540, 602640, 614358, 682620, 713448, 792720, 819144, 891810, 910160, 921537, 1023930, 1189080, 1228716, 1365240, 1426896, 1535895, 1638288, 1783620, 1843074, 2047860, 2378160, 2457432, 2730480, 2764611, 3071790, 3567240, 3686148, 4095720, 4607685, 4914864, 5529222, 6143580, 7134480, 7372296, 8191440, 9215370, 11058444, 12287160, 13823055, 14744592, 18430740, 22116888, 24574320, 27646110, 36861480, 44233776, 55292220, 73722960, 110584440, 221168880]

約数ペア:

[(1, 221168880), (2, 110584440), (3, 73722960), (4, 55292220), (5, 44233776), (6, 36861480), (8, 27646110), (9, 24574320), (10, 22116888), (12, 18430740), (15, 14744592), (16, 13823055), (18, 12287160), (20, 11058444), (24, 9215370), (27, 8191440), (30, 7372296), (31, 7134480), (36, 6143580), (40, 5529222), (45, 4914864), (48, 4607685), (54, 4095720), (60, 3686148), (62, 3567240), (72, 3071790), (80, 2764611), (81, 2730480), (90, 2457432), (93, 2378160), (108, 2047860), (120, 1843074), (124, 1783620), (135, 1638288), (144, 1535895), (155, 1426896), (162, 1365240), (180, 1228716), (186, 1189080), (216, 1023930), (240, 921537), (243, 910160), (248, 891810), (270, 819144), (279, 792720), (310, 713448), (324, 682620), (360, 614358), (367, 602640), (372, 594540), (405, 546096), (432, 511965), (465, 475632), (486, 455080), (496, 445905), (540, 409572), (558, 396360), (620, 356724), (648, 341310), (720, 307179), (734, 301320), (744, 297270), (810, 273048), (837, 264240), (930, 237816), (972, 227540), (1080, 204786), (1101, 200880), (1116, 198180), (1215, 182032), (1240, 178362), (1296, 170655), (1395, 158544), (1468, 150660), (1488, 148635), (1620, 136524), (1674, 132120), (1835, 120528), (1860, 118908), (1944, 113770), (2160, 102393), (2202, 100440), (2232, 99090), (2430, 91016), (2480, 89181), (2511, 88080), (2790, 79272), (2936, 75330), (3240, 68262), (3303, 66960), (3348, 66060), (3670, 60264), (3720, 59454), (3888, 56885), (4185, 52848), (4404, 50220), (4464, 49545), (4860, 45508), (5022, 44040), (5505, 40176), (5580, 39636), (5872, 37665), (6480, 34131), (6606, 33480), (6696, 33030), (7340, 30132), (7440, 29727), (7533, 29360), (8370, 26424), (8808, 25110), (9720, 22754), (9909, 22320), (10044, 22020), (11010, 20088), (11160, 19818), (11377, 19440), (12555, 17616), (13212, 16740), (13392, 16515), (14680, 15066)]