218700240

素因数分解:

$2^4\times 3^1\times 5^1\times {\mathrm{11}}^2\times {\mathrm{17}}^1\times {\mathrm{443}}^1$

素因数の和:498

約数の個数: 240

約数和(自身を含む): 790824384

約数和(自身を除く): 572124144

約数列:

[1, 2, 3, 4, 5, 6, 8, 10, 11, 12, 15, 16, 17, 20, 22, 24, 30, 33, 34, 40, 44, 48, 51, 55, 60, 66, 68, 80, 85, 88, 102, 110, 120, 121, 132, 136, 165, 170, 176, 187, 204, 220, 240, 242, 255, 264, 272, 330, 340, 363, 374, 408, 440, 443, 484, 510, 528, 561, 605, 660, 680, 726, 748, 816, 880, 886, 935, 968, 1020, 1122, 1210, 1320, 1329, 1360, 1452, 1496, 1772, 1815, 1870, 1936, 2040, 2057, 2215, 2244, 2420, 2640, 2658, 2805, 2904, 2992, 3544, 3630, 3740, 4080, 4114, 4430, 4488, 4840, 4873, 5316, 5610, 5808, 6171, 6645, 7088, 7260, 7480, 7531, 8228, 8860, 8976, 9680, 9746, 10285, 10632, 11220, 12342, 13290, 14520, 14619, 14960, 15062, 16456, 17720, 19492, 20570, 21264, 22440, 22593, 24365, 24684, 26580, 29040, 29238, 30124, 30855, 32912, 35440, 37655, 38984, 41140, 44880, 45186, 48730, 49368, 53160, 53603, 58476, 60248, 61710, 73095, 75310, 77968, 82280, 82841, 90372, 97460, 98736, 106320, 107206, 112965, 116952, 120496, 123420, 146190, 150620, 160809, 164560, 165682, 180744, 194920, 214412, 225930, 233904, 246840, 248523, 268015, 292380, 301240, 321618, 331364, 361488, 389840, 414205, 428824, 451860, 493680, 497046, 536030, 584760, 602480, 643236, 662728, 804045, 828410, 857648, 903720, 911251, 994092, 1072060, 1169520, 1242615, 1286472, 1325456, 1608090, 1656820, 1807440, 1822502, 1988184, 2144120, 2485230, 2572944, 2733753, 3216180, 3313640, 3645004, 3976368, 4288240, 4556255, 4970460, 5467506, 6432360, 6627280, 7290008, 9112510, 9940920, 10935012, 12864720, 13668765, 14580016, 18225020, 19881840, 21870024, 27337530, 36450040, 43740048, 54675060, 72900080, 109350120, 218700240]

約数ペア:

[(1, 218700240), (2, 109350120), (3, 72900080), (4, 54675060), (5, 43740048), (6, 36450040), (8, 27337530), (10, 21870024), (11, 19881840), (12, 18225020), (15, 14580016), (16, 13668765), (17, 12864720), (20, 10935012), (22, 9940920), (24, 9112510), (30, 7290008), (33, 6627280), (34, 6432360), (40, 5467506), (44, 4970460), (48, 4556255), (51, 4288240), (55, 3976368), (60, 3645004), (66, 3313640), (68, 3216180), (80, 2733753), (85, 2572944), (88, 2485230), (102, 2144120), (110, 1988184), (120, 1822502), (121, 1807440), (132, 1656820), (136, 1608090), (165, 1325456), (170, 1286472), (176, 1242615), (187, 1169520), (204, 1072060), (220, 994092), (240, 911251), (242, 903720), (255, 857648), (264, 828410), (272, 804045), (330, 662728), (340, 643236), (363, 602480), (374, 584760), (408, 536030), (440, 497046), (443, 493680), (484, 451860), (510, 428824), (528, 414205), (561, 389840), (605, 361488), (660, 331364), (680, 321618), (726, 301240), (748, 292380), (816, 268015), (880, 248523), (886, 246840), (935, 233904), (968, 225930), (1020, 214412), (1122, 194920), (1210, 180744), (1320, 165682), (1329, 164560), (1360, 160809), (1452, 150620), (1496, 146190), (1772, 123420), (1815, 120496), (1870, 116952), (1936, 112965), (2040, 107206), (2057, 106320), (2215, 98736), (2244, 97460), (2420, 90372), (2640, 82841), (2658, 82280), (2805, 77968), (2904, 75310), (2992, 73095), (3544, 61710), (3630, 60248), (3740, 58476), (4080, 53603), (4114, 53160), (4430, 49368), (4488, 48730), (4840, 45186), (4873, 44880), (5316, 41140), (5610, 38984), (5808, 37655), (6171, 35440), (6645, 32912), (7088, 30855), (7260, 30124), (7480, 29238), (7531, 29040), (8228, 26580), (8860, 24684), (8976, 24365), (9680, 22593), (9746, 22440), (10285, 21264), (10632, 20570), (11220, 19492), (12342, 17720), (13290, 16456), (14520, 15062), (14619, 14960)]