77648640

素因数分解:

$2^8\times 3^1\times 5^1\times {\mathrm{73}}^1\times {\mathrm{277}}^1$

素因数の和:374

約数の個数: 144

約数和(自身を含む): 252295008

約数和(自身を除く): 174646368

約数列:

[1, 2, 3, 4, 5, 6, 8, 10, 12, 15, 16, 20, 24, 30, 32, 40, 48, 60, 64, 73, 80, 96, 120, 128, 146, 160, 192, 219, 240, 256, 277, 292, 320, 365, 384, 438, 480, 554, 584, 640, 730, 768, 831, 876, 960, 1095, 1108, 1168, 1280, 1385, 1460, 1662, 1752, 1920, 2190, 2216, 2336, 2770, 2920, 3324, 3504, 3840, 4155, 4380, 4432, 4672, 5540, 5840, 6648, 7008, 8310, 8760, 8864, 9344, 11080, 11680, 13296, 14016, 16620, 17520, 17728, 18688, 20221, 22160, 23360, 26592, 28032, 33240, 35040, 35456, 40442, 44320, 46720, 53184, 56064, 60663, 66480, 70080, 70912, 80884, 88640, 93440, 101105, 106368, 121326, 132960, 140160, 161768, 177280, 202210, 212736, 242652, 265920, 280320, 303315, 323536, 354560, 404420, 485304, 531840, 606630, 647072, 808840, 970608, 1063680, 1213260, 1294144, 1617680, 1941216, 2426520, 2588288, 3235360, 3882432, 4853040, 5176576, 6470720, 7764864, 9706080, 12941440, 15529728, 19412160, 25882880, 38824320, 77648640]

約数ペア:

[(1, 77648640), (2, 38824320), (3, 25882880), (4, 19412160), (5, 15529728), (6, 12941440), (8, 9706080), (10, 7764864), (12, 6470720), (15, 5176576), (16, 4853040), (20, 3882432), (24, 3235360), (30, 2588288), (32, 2426520), (40, 1941216), (48, 1617680), (60, 1294144), (64, 1213260), (73, 1063680), (80, 970608), (96, 808840), (120, 647072), (128, 606630), (146, 531840), (160, 485304), (192, 404420), (219, 354560), (240, 323536), (256, 303315), (277, 280320), (292, 265920), (320, 242652), (365, 212736), (384, 202210), (438, 177280), (480, 161768), (554, 140160), (584, 132960), (640, 121326), (730, 106368), (768, 101105), (831, 93440), (876, 88640), (960, 80884), (1095, 70912), (1108, 70080), (1168, 66480), (1280, 60663), (1385, 56064), (1460, 53184), (1662, 46720), (1752, 44320), (1920, 40442), (2190, 35456), (2216, 35040), (2336, 33240), (2770, 28032), (2920, 26592), (3324, 23360), (3504, 22160), (3840, 20221), (4155, 18688), (4380, 17728), (4432, 17520), (4672, 16620), (5540, 14016), (5840, 13296), (6648, 11680), (7008, 11080), (8310, 9344), (8760, 8864)]