398568240

素因数分解:

$2^4\times 3^2\times 5^1\times 7^1\times {\mathrm{31}}^1\times {\mathrm{2551}}^1$

素因数の和:2608

約数の個数: 240

約数和(自身を含む): 1579708416

約数和(自身を除く): 1181140176

約数列:

[1, 2, 3, 4, 5, 6, 7, 8, 9, 10, 12, 14, 15, 16, 18, 20, 21, 24, 28, 30, 31, 35, 36, 40, 42, 45, 48, 56, 60, 62, 63, 70, 72, 80, 84, 90, 93, 105, 112, 120, 124, 126, 140, 144, 155, 168, 180, 186, 210, 217, 240, 248, 252, 279, 280, 310, 315, 336, 360, 372, 420, 434, 465, 496, 504, 558, 560, 620, 630, 651, 720, 744, 840, 868, 930, 1008, 1085, 1116, 1240, 1260, 1302, 1395, 1488, 1680, 1736, 1860, 1953, 2170, 2232, 2480, 2520, 2551, 2604, 2790, 3255, 3472, 3720, 3906, 4340, 4464, 5040, 5102, 5208, 5580, 6510, 7440, 7653, 7812, 8680, 9765, 10204, 10416, 11160, 12755, 13020, 15306, 15624, 17360, 17857, 19530, 20408, 22320, 22959, 25510, 26040, 30612, 31248, 35714, 38265, 39060, 40816, 45918, 51020, 52080, 53571, 61224, 71428, 76530, 78120, 79081, 89285, 91836, 102040, 107142, 114795, 122448, 142856, 153060, 156240, 158162, 160713, 178570, 183672, 204080, 214284, 229590, 237243, 267855, 285712, 306120, 316324, 321426, 357140, 367344, 395405, 428568, 459180, 474486, 535710, 553567, 612240, 632648, 642852, 711729, 714280, 790810, 803565, 857136, 918360, 948972, 1071420, 1107134, 1186215, 1265296, 1285704, 1423458, 1428560, 1581620, 1607130, 1660701, 1836720, 1897944, 2142840, 2214268, 2372430, 2571408, 2767835, 2846916, 3163240, 3214260, 3321402, 3558645, 3795888, 4285680, 4428536, 4744860, 4982103, 5535670, 5693832, 6326480, 6428520, 6642804, 7117290, 8303505, 8857072, 9489720, 9964206, 11071340, 11387664, 12857040, 13285608, 14234580, 16607010, 18979440, 19928412, 22142680, 24910515, 26571216, 28469160, 33214020, 39856824, 44285360, 49821030, 56938320, 66428040, 79713648, 99642060, 132856080, 199284120, 398568240]

約数ペア:

[(1, 398568240), (2, 199284120), (3, 132856080), (4, 99642060), (5, 79713648), (6, 66428040), (7, 56938320), (8, 49821030), (9, 44285360), (10, 39856824), (12, 33214020), (14, 28469160), (15, 26571216), (16, 24910515), (18, 22142680), (20, 19928412), (21, 18979440), (24, 16607010), (28, 14234580), (30, 13285608), (31, 12857040), (35, 11387664), (36, 11071340), (40, 9964206), (42, 9489720), (45, 8857072), (48, 8303505), (56, 7117290), (60, 6642804), (62, 6428520), (63, 6326480), (70, 5693832), (72, 5535670), (80, 4982103), (84, 4744860), (90, 4428536), (93, 4285680), (105, 3795888), (112, 3558645), (120, 3321402), (124, 3214260), (126, 3163240), (140, 2846916), (144, 2767835), (155, 2571408), (168, 2372430), (180, 2214268), (186, 2142840), (210, 1897944), (217, 1836720), (240, 1660701), (248, 1607130), (252, 1581620), (279, 1428560), (280, 1423458), (310, 1285704), (315, 1265296), (336, 1186215), (360, 1107134), (372, 1071420), (420, 948972), (434, 918360), (465, 857136), (496, 803565), (504, 790810), (558, 714280), (560, 711729), (620, 642852), (630, 632648), (651, 612240), (720, 553567), (744, 535710), (840, 474486), (868, 459180), (930, 428568), (1008, 395405), (1085, 367344), (1116, 357140), (1240, 321426), (1260, 316324), (1302, 306120), (1395, 285712), (1488, 267855), (1680, 237243), (1736, 229590), (1860, 214284), (1953, 204080), (2170, 183672), (2232, 178570), (2480, 160713), (2520, 158162), (2551, 156240), (2604, 153060), (2790, 142856), (3255, 122448), (3472, 114795), (3720, 107142), (3906, 102040), (4340, 91836), (4464, 89285), (5040, 79081), (5102, 78120), (5208, 76530), (5580, 71428), (6510, 61224), (7440, 53571), (7653, 52080), (7812, 51020), (8680, 45918), (9765, 40816), (10204, 39060), (10416, 38265), (11160, 35714), (12755, 31248), (13020, 30612), (15306, 26040), (15624, 25510), (17360, 22959), (17857, 22320), (19530, 20408)]