393457920

素因数分解:

$2^8\times 3^1\times 5^1\times {\mathrm{79}}^1\times {\mathrm{1297}}^1$

素因数の和:1400

約数の個数: 144

約数和(自身を含む): 1273493760

約数和(自身を除く): 880035840

約数列:

[1, 2, 3, 4, 5, 6, 8, 10, 12, 15, 16, 20, 24, 30, 32, 40, 48, 60, 64, 79, 80, 96, 120, 128, 158, 160, 192, 237, 240, 256, 316, 320, 384, 395, 474, 480, 632, 640, 768, 790, 948, 960, 1185, 1264, 1280, 1297, 1580, 1896, 1920, 2370, 2528, 2594, 3160, 3792, 3840, 3891, 4740, 5056, 5188, 6320, 6485, 7584, 7782, 9480, 10112, 10376, 12640, 12970, 15168, 15564, 18960, 19455, 20224, 20752, 25280, 25940, 30336, 31128, 37920, 38910, 41504, 50560, 51880, 60672, 62256, 75840, 77820, 83008, 101120, 102463, 103760, 124512, 151680, 155640, 166016, 204926, 207520, 249024, 303360, 307389, 311280, 332032, 409852, 415040, 498048, 512315, 614778, 622560, 819704, 830080, 996096, 1024630, 1229556, 1245120, 1536945, 1639408, 1660160, 2049260, 2459112, 2490240, 3073890, 3278816, 4098520, 4918224, 4980480, 6147780, 6557632, 8197040, 9836448, 12295560, 13115264, 16394080, 19672896, 24591120, 26230528, 32788160, 39345792, 49182240, 65576320, 78691584, 98364480, 131152640, 196728960, 393457920]

約数ペア:

[(1, 393457920), (2, 196728960), (3, 131152640), (4, 98364480), (5, 78691584), (6, 65576320), (8, 49182240), (10, 39345792), (12, 32788160), (15, 26230528), (16, 24591120), (20, 19672896), (24, 16394080), (30, 13115264), (32, 12295560), (40, 9836448), (48, 8197040), (60, 6557632), (64, 6147780), (79, 4980480), (80, 4918224), (96, 4098520), (120, 3278816), (128, 3073890), (158, 2490240), (160, 2459112), (192, 2049260), (237, 1660160), (240, 1639408), (256, 1536945), (316, 1245120), (320, 1229556), (384, 1024630), (395, 996096), (474, 830080), (480, 819704), (632, 622560), (640, 614778), (768, 512315), (790, 498048), (948, 415040), (960, 409852), (1185, 332032), (1264, 311280), (1280, 307389), (1297, 303360), (1580, 249024), (1896, 207520), (1920, 204926), (2370, 166016), (2528, 155640), (2594, 151680), (3160, 124512), (3792, 103760), (3840, 102463), (3891, 101120), (4740, 83008), (5056, 77820), (5188, 75840), (6320, 62256), (6485, 60672), (7584, 51880), (7782, 50560), (9480, 41504), (10112, 38910), (10376, 37920), (12640, 31128), (12970, 30336), (15168, 25940), (15564, 25280), (18960, 20752), (19455, 20224)]