276711680

素因数分解:

$2^8\times 5^1\times 7^1\times {\mathrm{89}}^1\times {\mathrm{347}}^1$

素因数の和:464

約数の個数: 144

約数和(自身を含む): 768216960

約数和(自身を除く): 491505280

約数列:

[1, 2, 4, 5, 7, 8, 10, 14, 16, 20, 28, 32, 35, 40, 56, 64, 70, 80, 89, 112, 128, 140, 160, 178, 224, 256, 280, 320, 347, 356, 445, 448, 560, 623, 640, 694, 712, 890, 896, 1120, 1246, 1280, 1388, 1424, 1735, 1780, 1792, 2240, 2429, 2492, 2776, 2848, 3115, 3470, 3560, 4480, 4858, 4984, 5552, 5696, 6230, 6940, 7120, 8960, 9716, 9968, 11104, 11392, 12145, 12460, 13880, 14240, 19432, 19936, 22208, 22784, 24290, 24920, 27760, 28480, 30883, 38864, 39872, 44416, 48580, 49840, 55520, 56960, 61766, 77728, 79744, 88832, 97160, 99680, 111040, 113920, 123532, 154415, 155456, 159488, 194320, 199360, 216181, 222080, 247064, 308830, 310912, 388640, 398720, 432362, 444160, 494128, 617660, 621824, 777280, 797440, 864724, 988256, 1080905, 1235320, 1554560, 1729448, 1976512, 2161810, 2470640, 3109120, 3458896, 3953024, 4323620, 4941280, 6917792, 7906048, 8647240, 9882560, 13835584, 17294480, 19765120, 27671168, 34588960, 39530240, 55342336, 69177920, 138355840, 276711680]

約数ペア:

[(1, 276711680), (2, 138355840), (4, 69177920), (5, 55342336), (7, 39530240), (8, 34588960), (10, 27671168), (14, 19765120), (16, 17294480), (20, 13835584), (28, 9882560), (32, 8647240), (35, 7906048), (40, 6917792), (56, 4941280), (64, 4323620), (70, 3953024), (80, 3458896), (89, 3109120), (112, 2470640), (128, 2161810), (140, 1976512), (160, 1729448), (178, 1554560), (224, 1235320), (256, 1080905), (280, 988256), (320, 864724), (347, 797440), (356, 777280), (445, 621824), (448, 617660), (560, 494128), (623, 444160), (640, 432362), (694, 398720), (712, 388640), (890, 310912), (896, 308830), (1120, 247064), (1246, 222080), (1280, 216181), (1388, 199360), (1424, 194320), (1735, 159488), (1780, 155456), (1792, 154415), (2240, 123532), (2429, 113920), (2492, 111040), (2776, 99680), (2848, 97160), (3115, 88832), (3470, 79744), (3560, 77728), (4480, 61766), (4858, 56960), (4984, 55520), (5552, 49840), (5696, 48580), (6230, 44416), (6940, 39872), (7120, 38864), (8960, 30883), (9716, 28480), (9968, 27760), (11104, 24920), (11392, 24290), (12145, 22784), (12460, 22208), (13880, 19936), (14240, 19432)]