218905920

素因数分解:

$2^6\times 3^2\times 5^1\times {\mathrm{29}}^1\times {\mathrm{2621}}^1$

素因数の和:2673

約数の個数: 168

約数和(自身を含む): 779205960

約数和(自身を除く): 560300040

約数列:

[1, 2, 3, 4, 5, 6, 8, 9, 10, 12, 15, 16, 18, 20, 24, 29, 30, 32, 36, 40, 45, 48, 58, 60, 64, 72, 80, 87, 90, 96, 116, 120, 144, 145, 160, 174, 180, 192, 232, 240, 261, 288, 290, 320, 348, 360, 435, 464, 480, 522, 576, 580, 696, 720, 870, 928, 960, 1044, 1160, 1305, 1392, 1440, 1740, 1856, 2088, 2320, 2610, 2621, 2784, 2880, 3480, 4176, 4640, 5220, 5242, 5568, 6960, 7863, 8352, 9280, 10440, 10484, 13105, 13920, 15726, 16704, 20880, 20968, 23589, 26210, 27840, 31452, 39315, 41760, 41936, 47178, 52420, 62904, 76009, 78630, 83520, 83872, 94356, 104840, 117945, 125808, 152018, 157260, 167744, 188712, 209680, 228027, 235890, 251616, 304036, 314520, 377424, 380045, 419360, 456054, 471780, 503232, 608072, 629040, 684081, 754848, 760090, 838720, 912108, 943560, 1140135, 1216144, 1258080, 1368162, 1509696, 1520180, 1824216, 1887120, 2280270, 2432288, 2516160, 2736324, 3040360, 3420405, 3648432, 3774240, 4560540, 4864576, 5472648, 6080720, 6840810, 7296864, 7548480, 9121080, 10945296, 12161440, 13681620, 14593728, 18242160, 21890592, 24322880, 27363240, 36484320, 43781184, 54726480, 72968640, 109452960, 218905920]

約数ペア:

[(1, 218905920), (2, 109452960), (3, 72968640), (4, 54726480), (5, 43781184), (6, 36484320), (8, 27363240), (9, 24322880), (10, 21890592), (12, 18242160), (15, 14593728), (16, 13681620), (18, 12161440), (20, 10945296), (24, 9121080), (29, 7548480), (30, 7296864), (32, 6840810), (36, 6080720), (40, 5472648), (45, 4864576), (48, 4560540), (58, 3774240), (60, 3648432), (64, 3420405), (72, 3040360), (80, 2736324), (87, 2516160), (90, 2432288), (96, 2280270), (116, 1887120), (120, 1824216), (144, 1520180), (145, 1509696), (160, 1368162), (174, 1258080), (180, 1216144), (192, 1140135), (232, 943560), (240, 912108), (261, 838720), (288, 760090), (290, 754848), (320, 684081), (348, 629040), (360, 608072), (435, 503232), (464, 471780), (480, 456054), (522, 419360), (576, 380045), (580, 377424), (696, 314520), (720, 304036), (870, 251616), (928, 235890), (960, 228027), (1044, 209680), (1160, 188712), (1305, 167744), (1392, 157260), (1440, 152018), (1740, 125808), (1856, 117945), (2088, 104840), (2320, 94356), (2610, 83872), (2621, 83520), (2784, 78630), (2880, 76009), (3480, 62904), (4176, 52420), (4640, 47178), (5220, 41936), (5242, 41760), (5568, 39315), (6960, 31452), (7863, 27840), (8352, 26210), (9280, 23589), (10440, 20968), (10484, 20880), (13105, 16704), (13920, 15726)]