138996480

素因数分解:

$2^8\times 3^1\times 5^1\times 7^1\times {\mathrm{5171}}^1$

素因数の和:5202

約数の個数: 144

約数和(自身を含む): 507435264

約数和(自身を除く): 368438784

約数列:

[1, 2, 3, 4, 5, 6, 7, 8, 10, 12, 14, 15, 16, 20, 21, 24, 28, 30, 32, 35, 40, 42, 48, 56, 60, 64, 70, 80, 84, 96, 105, 112, 120, 128, 140, 160, 168, 192, 210, 224, 240, 256, 280, 320, 336, 384, 420, 448, 480, 560, 640, 672, 768, 840, 896, 960, 1120, 1280, 1344, 1680, 1792, 1920, 2240, 2688, 3360, 3840, 4480, 5171, 5376, 6720, 8960, 10342, 13440, 15513, 20684, 25855, 26880, 31026, 36197, 41368, 51710, 62052, 72394, 77565, 82736, 103420, 108591, 124104, 144788, 155130, 165472, 180985, 206840, 217182, 248208, 289576, 310260, 330944, 361970, 413680, 434364, 496416, 542955, 579152, 620520, 661888, 723940, 827360, 868728, 992832, 1085910, 1158304, 1241040, 1323776, 1447880, 1654720, 1737456, 1985664, 2171820, 2316608, 2482080, 2895760, 3309440, 3474912, 3971328, 4343640, 4633216, 4964160, 5791520, 6618880, 6949824, 8687280, 9266432, 9928320, 11583040, 13899648, 17374560, 19856640, 23166080, 27799296, 34749120, 46332160, 69498240, 138996480]

約数ペア:

[(1, 138996480), (2, 69498240), (3, 46332160), (4, 34749120), (5, 27799296), (6, 23166080), (7, 19856640), (8, 17374560), (10, 13899648), (12, 11583040), (14, 9928320), (15, 9266432), (16, 8687280), (20, 6949824), (21, 6618880), (24, 5791520), (28, 4964160), (30, 4633216), (32, 4343640), (35, 3971328), (40, 3474912), (42, 3309440), (48, 2895760), (56, 2482080), (60, 2316608), (64, 2171820), (70, 1985664), (80, 1737456), (84, 1654720), (96, 1447880), (105, 1323776), (112, 1241040), (120, 1158304), (128, 1085910), (140, 992832), (160, 868728), (168, 827360), (192, 723940), (210, 661888), (224, 620520), (240, 579152), (256, 542955), (280, 496416), (320, 434364), (336, 413680), (384, 361970), (420, 330944), (448, 310260), (480, 289576), (560, 248208), (640, 217182), (672, 206840), (768, 180985), (840, 165472), (896, 155130), (960, 144788), (1120, 124104), (1280, 108591), (1344, 103420), (1680, 82736), (1792, 77565), (1920, 72394), (2240, 62052), (2688, 51710), (3360, 41368), (3840, 36197), (4480, 31026), (5171, 26880), (5376, 25855), (6720, 20684), (8960, 15513), (10342, 13440)]