278965120

素因数分解:

$2^7\times 5^1\times 7^1\times {\mathrm{73}}^1\times {\mathrm{853}}^1$

素因数の和:952

約数の個数: 128

約数和(自身を含む): 773519040

約数和(自身を除く): 494553920

約数列:

[1, 2, 4, 5, 7, 8, 10, 14, 16, 20, 28, 32, 35, 40, 56, 64, 70, 73, 80, 112, 128, 140, 146, 160, 224, 280, 292, 320, 365, 448, 511, 560, 584, 640, 730, 853, 896, 1022, 1120, 1168, 1460, 1706, 2044, 2240, 2336, 2555, 2920, 3412, 4088, 4265, 4480, 4672, 5110, 5840, 5971, 6824, 8176, 8530, 9344, 10220, 11680, 11942, 13648, 16352, 17060, 20440, 23360, 23884, 27296, 29855, 32704, 34120, 40880, 46720, 47768, 54592, 59710, 62269, 65408, 68240, 81760, 95536, 109184, 119420, 124538, 136480, 163520, 191072, 238840, 249076, 272960, 311345, 327040, 382144, 435883, 477680, 498152, 545920, 622690, 764288, 871766, 955360, 996304, 1245380, 1743532, 1910720, 1992608, 2179415, 2490760, 3487064, 3821440, 3985216, 4358830, 4981520, 6974128, 7970432, 8717660, 9963040, 13948256, 17435320, 19926080, 27896512, 34870640, 39852160, 55793024, 69741280, 139482560, 278965120]

約数ペア:

[(1, 278965120), (2, 139482560), (4, 69741280), (5, 55793024), (7, 39852160), (8, 34870640), (10, 27896512), (14, 19926080), (16, 17435320), (20, 13948256), (28, 9963040), (32, 8717660), (35, 7970432), (40, 6974128), (56, 4981520), (64, 4358830), (70, 3985216), (73, 3821440), (80, 3487064), (112, 2490760), (128, 2179415), (140, 1992608), (146, 1910720), (160, 1743532), (224, 1245380), (280, 996304), (292, 955360), (320, 871766), (365, 764288), (448, 622690), (511, 545920), (560, 498152), (584, 477680), (640, 435883), (730, 382144), (853, 327040), (896, 311345), (1022, 272960), (1120, 249076), (1168, 238840), (1460, 191072), (1706, 163520), (2044, 136480), (2240, 124538), (2336, 119420), (2555, 109184), (2920, 95536), (3412, 81760), (4088, 68240), (4265, 65408), (4480, 62269), (4672, 59710), (5110, 54592), (5840, 47768), (5971, 46720), (6824, 40880), (8176, 34120), (8530, 32704), (9344, 29855), (10220, 27296), (11680, 23884), (11942, 23360), (13648, 20440), (16352, 17060)]