1581640320

素因数分解:

$2^7\times 3^1\times 5^1\times {\mathrm{13}}^1\times {\mathrm{63367}}^1$

素因数の和:63402

約数の個数: 128

約数和(自身を含む): 5429370240

約数和(自身を除く): 3847729920

約数列:

[1, 2, 3, 4, 5, 6, 8, 10, 12, 13, 15, 16, 20, 24, 26, 30, 32, 39, 40, 48, 52, 60, 64, 65, 78, 80, 96, 104, 120, 128, 130, 156, 160, 192, 195, 208, 240, 260, 312, 320, 384, 390, 416, 480, 520, 624, 640, 780, 832, 960, 1040, 1248, 1560, 1664, 1920, 2080, 2496, 3120, 4160, 4992, 6240, 8320, 12480, 24960, 63367, 126734, 190101, 253468, 316835, 380202, 506936, 633670, 760404, 823771, 950505, 1013872, 1267340, 1520808, 1647542, 1901010, 2027744, 2471313, 2534680, 3041616, 3295084, 3802020, 4055488, 4118855, 4942626, 5069360, 6083232, 6590168, 7604040, 8110976, 8237710, 9885252, 10138720, 12166464, 12356565, 13180336, 15208080, 16475420, 19770504, 20277440, 24332928, 24713130, 26360672, 30416160, 32950840, 39541008, 40554880, 49426260, 52721344, 60832320, 65901680, 79082016, 98852520, 105442688, 121664640, 131803360, 158164032, 197705040, 263606720, 316328064, 395410080, 527213440, 790820160, 1581640320]

約数ペア:

[(1, 1581640320), (2, 790820160), (3, 527213440), (4, 395410080), (5, 316328064), (6, 263606720), (8, 197705040), (10, 158164032), (12, 131803360), (13, 121664640), (15, 105442688), (16, 98852520), (20, 79082016), (24, 65901680), (26, 60832320), (30, 52721344), (32, 49426260), (39, 40554880), (40, 39541008), (48, 32950840), (52, 30416160), (60, 26360672), (64, 24713130), (65, 24332928), (78, 20277440), (80, 19770504), (96, 16475420), (104, 15208080), (120, 13180336), (128, 12356565), (130, 12166464), (156, 10138720), (160, 9885252), (192, 8237710), (195, 8110976), (208, 7604040), (240, 6590168), (260, 6083232), (312, 5069360), (320, 4942626), (384, 4118855), (390, 4055488), (416, 3802020), (480, 3295084), (520, 3041616), (624, 2534680), (640, 2471313), (780, 2027744), (832, 1901010), (960, 1647542), (1040, 1520808), (1248, 1267340), (1560, 1013872), (1664, 950505), (1920, 823771), (2080, 760404), (2496, 633670), (3120, 506936), (4160, 380202), (4992, 316835), (6240, 253468), (8320, 190101), (12480, 126734), (24960, 63367)]