31456320

素因数分解:

$2^6\times 3^1\times 5^1\times 7^1\times {\mathrm{31}}^1\times {\mathrm{151}}^1$

素因数の和:209

約数の個数: 224

約数和(自身を含む): 118603776

約数和(自身を除く): 87147456

約数列:

[1, 2, 3, 4, 5, 6, 7, 8, 10, 12, 14, 15, 16, 20, 21, 24, 28, 30, 31, 32, 35, 40, 42, 48, 56, 60, 62, 64, 70, 80, 84, 93, 96, 105, 112, 120, 124, 140, 151, 155, 160, 168, 186, 192, 210, 217, 224, 240, 248, 280, 302, 310, 320, 336, 372, 420, 434, 448, 453, 465, 480, 496, 560, 604, 620, 651, 672, 744, 755, 840, 868, 906, 930, 960, 992, 1057, 1085, 1120, 1208, 1240, 1302, 1344, 1488, 1510, 1680, 1736, 1812, 1860, 1984, 2114, 2170, 2240, 2265, 2416, 2480, 2604, 2976, 3020, 3171, 3255, 3360, 3472, 3624, 3720, 4228, 4340, 4530, 4681, 4832, 4960, 5208, 5285, 5952, 6040, 6342, 6510, 6720, 6944, 7248, 7440, 8456, 8680, 9060, 9362, 9664, 9920, 10416, 10570, 12080, 12684, 13020, 13888, 14043, 14496, 14880, 15855, 16912, 17360, 18120, 18724, 20832, 21140, 23405, 24160, 25368, 26040, 28086, 28992, 29760, 31710, 32767, 33824, 34720, 36240, 37448, 41664, 42280, 46810, 48320, 50736, 52080, 56172, 63420, 65534, 67648, 69440, 70215, 72480, 74896, 84560, 93620, 98301, 101472, 104160, 112344, 126840, 131068, 140430, 144960, 149792, 163835, 169120, 187240, 196602, 202944, 208320, 224688, 253680, 262136, 280860, 299584, 327670, 338240, 374480, 393204, 449376, 491505, 507360, 524272, 561720, 655340, 748960, 786408, 898752, 983010, 1014720, 1048544, 1123440, 1310680, 1497920, 1572816, 1966020, 2097088, 2246880, 2621360, 3145632, 3932040, 4493760, 5242720, 6291264, 7864080, 10485440, 15728160, 31456320]

約数ペア:

[(1, 31456320), (2, 15728160), (3, 10485440), (4, 7864080), (5, 6291264), (6, 5242720), (7, 4493760), (8, 3932040), (10, 3145632), (12, 2621360), (14, 2246880), (15, 2097088), (16, 1966020), (20, 1572816), (21, 1497920), (24, 1310680), (28, 1123440), (30, 1048544), (31, 1014720), (32, 983010), (35, 898752), (40, 786408), (42, 748960), (48, 655340), (56, 561720), (60, 524272), (62, 507360), (64, 491505), (70, 449376), (80, 393204), (84, 374480), (93, 338240), (96, 327670), (105, 299584), (112, 280860), (120, 262136), (124, 253680), (140, 224688), (151, 208320), (155, 202944), (160, 196602), (168, 187240), (186, 169120), (192, 163835), (210, 149792), (217, 144960), (224, 140430), (240, 131068), (248, 126840), (280, 112344), (302, 104160), (310, 101472), (320, 98301), (336, 93620), (372, 84560), (420, 74896), (434, 72480), (448, 70215), (453, 69440), (465, 67648), (480, 65534), (496, 63420), (560, 56172), (604, 52080), (620, 50736), (651, 48320), (672, 46810), (744, 42280), (755, 41664), (840, 37448), (868, 36240), (906, 34720), (930, 33824), (960, 32767), (992, 31710), (1057, 29760), (1085, 28992), (1120, 28086), (1208, 26040), (1240, 25368), (1302, 24160), (1344, 23405), (1488, 21140), (1510, 20832), (1680, 18724), (1736, 18120), (1812, 17360), (1860, 16912), (1984, 15855), (2114, 14880), (2170, 14496), (2240, 14043), (2265, 13888), (2416, 13020), (2480, 12684), (2604, 12080), (2976, 10570), (3020, 10416), (3171, 9920), (3255, 9664), (3360, 9362), (3472, 9060), (3624, 8680), (3720, 8456), (4228, 7440), (4340, 7248), (4530, 6944), (4681, 6720), (4832, 6510), (4960, 6342), (5208, 6040), (5285, 5952)]