491910720

素因数分解:

$2^6\times 3^1\times 5^1\times 7^1\times {\mathrm{71}}^1\times {\mathrm{1031}}^1$

素因数の和:1129

約数の個数: 224

約数和(自身を含む): 1811828736

約数和(自身を除く): 1319918016

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, 71, 80, 84, 96, 105, 112, 120, 140, 142, 160, 168, 192, 210, 213, 224, 240, 280, 284, 320, 336, 355, 420, 426, 448, 480, 497, 560, 568, 672, 710, 840, 852, 960, 994, 1031, 1065, 1120, 1136, 1344, 1420, 1491, 1680, 1704, 1988, 2062, 2130, 2240, 2272, 2485, 2840, 2982, 3093, 3360, 3408, 3976, 4124, 4260, 4544, 4970, 5155, 5680, 5964, 6186, 6720, 6816, 7217, 7455, 7952, 8248, 8520, 9940, 10310, 11360, 11928, 12372, 13632, 14434, 14910, 15465, 15904, 16496, 17040, 19880, 20620, 21651, 22720, 23856, 24744, 28868, 29820, 30930, 31808, 32992, 34080, 36085, 39760, 41240, 43302, 47712, 49488, 57736, 59640, 61860, 65984, 68160, 72170, 73201, 79520, 82480, 86604, 95424, 98976, 108255, 115472, 119280, 123720, 144340, 146402, 159040, 164960, 173208, 197952, 216510, 219603, 230944, 238560, 247440, 288680, 292804, 329920, 346416, 366005, 433020, 439206, 461888, 477120, 494880, 512407, 577360, 585608, 692832, 732010, 866040, 878412, 989760, 1024814, 1098015, 1154720, 1171216, 1385664, 1464020, 1537221, 1732080, 1756824, 2049628, 2196030, 2309440, 2342432, 2562035, 2928040, 3074442, 3464160, 3513648, 4099256, 4392060, 4684864, 5124070, 5856080, 6148884, 6928320, 7027296, 7686105, 8198512, 8784120, 10248140, 11712160, 12297768, 14054592, 15372210, 16397024, 17568240, 20496280, 23424320, 24595536, 30744420, 32794048, 35136480, 40992560, 49191072, 61488840, 70272960, 81985120, 98382144, 122977680, 163970240, 245955360, 491910720]

約数ペア:

[(1, 491910720), (2, 245955360), (3, 163970240), (4, 122977680), (5, 98382144), (6, 81985120), (7, 70272960), (8, 61488840), (10, 49191072), (12, 40992560), (14, 35136480), (15, 32794048), (16, 30744420), (20, 24595536), (21, 23424320), (24, 20496280), (28, 17568240), (30, 16397024), (32, 15372210), (35, 14054592), (40, 12297768), (42, 11712160), (48, 10248140), (56, 8784120), (60, 8198512), (64, 7686105), (70, 7027296), (71, 6928320), (80, 6148884), (84, 5856080), (96, 5124070), (105, 4684864), (112, 4392060), (120, 4099256), (140, 3513648), (142, 3464160), (160, 3074442), (168, 2928040), (192, 2562035), (210, 2342432), (213, 2309440), (224, 2196030), (240, 2049628), (280, 1756824), (284, 1732080), (320, 1537221), (336, 1464020), (355, 1385664), (420, 1171216), (426, 1154720), (448, 1098015), (480, 1024814), (497, 989760), (560, 878412), (568, 866040), (672, 732010), (710, 692832), (840, 585608), (852, 577360), (960, 512407), (994, 494880), (1031, 477120), (1065, 461888), (1120, 439206), (1136, 433020), (1344, 366005), (1420, 346416), (1491, 329920), (1680, 292804), (1704, 288680), (1988, 247440), (2062, 238560), (2130, 230944), (2240, 219603), (2272, 216510), (2485, 197952), (2840, 173208), (2982, 164960), (3093, 159040), (3360, 146402), (3408, 144340), (3976, 123720), (4124, 119280), (4260, 115472), (4544, 108255), (4970, 98976), (5155, 95424), (5680, 86604), (5964, 82480), (6186, 79520), (6720, 73201), (6816, 72170), (7217, 68160), (7455, 65984), (7952, 61860), (8248, 59640), (8520, 57736), (9940, 49488), (10310, 47712), (11360, 43302), (11928, 41240), (12372, 39760), (13632, 36085), (14434, 34080), (14910, 32992), (15465, 31808), (15904, 30930), (16496, 29820), (17040, 28868), (19880, 24744), (20620, 23856), (21651, 22720)]