221811840

素因数分解:

$2^7\times 3^2\times 5^1\times {\mathrm{97}}^1\times {\mathrm{397}}^1$

素因数の和:519

約数の個数: 192

約数和(自身を含む): 775789560

約数和(自身を除く): 553977720

約数列:

[1, 2, 3, 4, 5, 6, 8, 9, 10, 12, 15, 16, 18, 20, 24, 30, 32, 36, 40, 45, 48, 60, 64, 72, 80, 90, 96, 97, 120, 128, 144, 160, 180, 192, 194, 240, 288, 291, 320, 360, 384, 388, 397, 480, 485, 576, 582, 640, 720, 776, 794, 873, 960, 970, 1152, 1164, 1191, 1440, 1455, 1552, 1588, 1746, 1920, 1940, 1985, 2328, 2382, 2880, 2910, 3104, 3176, 3492, 3573, 3880, 3970, 4365, 4656, 4764, 5760, 5820, 5955, 6208, 6352, 6984, 7146, 7760, 7940, 8730, 9312, 9528, 11640, 11910, 12416, 12704, 13968, 14292, 15520, 15880, 17460, 17865, 18624, 19056, 23280, 23820, 25408, 27936, 28584, 31040, 31760, 34920, 35730, 37248, 38112, 38509, 46560, 47640, 50816, 55872, 57168, 62080, 63520, 69840, 71460, 76224, 77018, 93120, 95280, 111744, 114336, 115527, 127040, 139680, 142920, 152448, 154036, 186240, 190560, 192545, 228672, 231054, 254080, 279360, 285840, 308072, 346581, 381120, 385090, 457344, 462108, 558720, 571680, 577635, 616144, 693162, 762240, 770180, 924216, 1143360, 1155270, 1232288, 1386324, 1540360, 1732905, 1848432, 2286720, 2310540, 2464576, 2772648, 3080720, 3465810, 3696864, 4621080, 4929152, 5545296, 6161440, 6931620, 7393728, 9242160, 11090592, 12322880, 13863240, 14787456, 18484320, 22181184, 24645760, 27726480, 36968640, 44362368, 55452960, 73937280, 110905920, 221811840]

約数ペア:

[(1, 221811840), (2, 110905920), (3, 73937280), (4, 55452960), (5, 44362368), (6, 36968640), (8, 27726480), (9, 24645760), (10, 22181184), (12, 18484320), (15, 14787456), (16, 13863240), (18, 12322880), (20, 11090592), (24, 9242160), (30, 7393728), (32, 6931620), (36, 6161440), (40, 5545296), (45, 4929152), (48, 4621080), (60, 3696864), (64, 3465810), (72, 3080720), (80, 2772648), (90, 2464576), (96, 2310540), (97, 2286720), (120, 1848432), (128, 1732905), (144, 1540360), (160, 1386324), (180, 1232288), (192, 1155270), (194, 1143360), (240, 924216), (288, 770180), (291, 762240), (320, 693162), (360, 616144), (384, 577635), (388, 571680), (397, 558720), (480, 462108), (485, 457344), (576, 385090), (582, 381120), (640, 346581), (720, 308072), (776, 285840), (794, 279360), (873, 254080), (960, 231054), (970, 228672), (1152, 192545), (1164, 190560), (1191, 186240), (1440, 154036), (1455, 152448), (1552, 142920), (1588, 139680), (1746, 127040), (1920, 115527), (1940, 114336), (1985, 111744), (2328, 95280), (2382, 93120), (2880, 77018), (2910, 76224), (3104, 71460), (3176, 69840), (3492, 63520), (3573, 62080), (3880, 57168), (3970, 55872), (4365, 50816), (4656, 47640), (4764, 46560), (5760, 38509), (5820, 38112), (5955, 37248), (6208, 35730), (6352, 34920), (6984, 31760), (7146, 31040), (7760, 28584), (7940, 27936), (8730, 25408), (9312, 23820), (9528, 23280), (11640, 19056), (11910, 18624), (12416, 17865), (12704, 17460), (13968, 15880), (14292, 15520)]