78348480

素因数分解:

$2^6\times 3^1\times 5^1\times 7^1\times {\mathrm{89}}^1\times {\mathrm{131}}^1$

素因数の和:247

約数の個数: 224

約数和(自身を含む): 289681920

約数和(自身を除く): 211333440

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, 89, 96, 105, 112, 120, 131, 140, 160, 168, 178, 192, 210, 224, 240, 262, 267, 280, 320, 336, 356, 393, 420, 445, 448, 480, 524, 534, 560, 623, 655, 672, 712, 786, 840, 890, 917, 960, 1048, 1068, 1120, 1246, 1310, 1335, 1344, 1424, 1572, 1680, 1780, 1834, 1869, 1965, 2096, 2136, 2240, 2492, 2620, 2670, 2751, 2848, 3115, 3144, 3360, 3560, 3668, 3738, 3930, 4192, 4272, 4585, 4984, 5240, 5340, 5502, 5696, 6230, 6288, 6720, 7120, 7336, 7476, 7860, 8384, 8544, 9170, 9345, 9968, 10480, 10680, 11004, 11659, 12460, 12576, 13755, 14240, 14672, 14952, 15720, 17088, 18340, 18690, 19936, 20960, 21360, 22008, 23318, 24920, 25152, 27510, 28480, 29344, 29904, 31440, 34977, 36680, 37380, 39872, 41920, 42720, 44016, 46636, 49840, 55020, 58295, 58688, 59808, 62880, 69954, 73360, 74760, 81613, 85440, 88032, 93272, 99680, 110040, 116590, 119616, 125760, 139908, 146720, 149520, 163226, 174885, 176064, 186544, 199360, 220080, 233180, 244839, 279816, 293440, 299040, 326452, 349770, 373088, 408065, 440160, 466360, 489678, 559632, 598080, 652904, 699540, 746176, 816130, 880320, 932720, 979356, 1119264, 1224195, 1305808, 1399080, 1632260, 1865440, 1958712, 2238528, 2448390, 2611616, 2798160, 3264520, 3730880, 3917424, 4896780, 5223232, 5596320, 6529040, 7834848, 9793560, 11192640, 13058080, 15669696, 19587120, 26116160, 39174240, 78348480]

約数ペア:

[(1, 78348480), (2, 39174240), (3, 26116160), (4, 19587120), (5, 15669696), (6, 13058080), (7, 11192640), (8, 9793560), (10, 7834848), (12, 6529040), (14, 5596320), (15, 5223232), (16, 4896780), (20, 3917424), (21, 3730880), (24, 3264520), (28, 2798160), (30, 2611616), (32, 2448390), (35, 2238528), (40, 1958712), (42, 1865440), (48, 1632260), (56, 1399080), (60, 1305808), (64, 1224195), (70, 1119264), (80, 979356), (84, 932720), (89, 880320), (96, 816130), (105, 746176), (112, 699540), (120, 652904), (131, 598080), (140, 559632), (160, 489678), (168, 466360), (178, 440160), (192, 408065), (210, 373088), (224, 349770), (240, 326452), (262, 299040), (267, 293440), (280, 279816), (320, 244839), (336, 233180), (356, 220080), (393, 199360), (420, 186544), (445, 176064), (448, 174885), (480, 163226), (524, 149520), (534, 146720), (560, 139908), (623, 125760), (655, 119616), (672, 116590), (712, 110040), (786, 99680), (840, 93272), (890, 88032), (917, 85440), (960, 81613), (1048, 74760), (1068, 73360), (1120, 69954), (1246, 62880), (1310, 59808), (1335, 58688), (1344, 58295), (1424, 55020), (1572, 49840), (1680, 46636), (1780, 44016), (1834, 42720), (1869, 41920), (1965, 39872), (2096, 37380), (2136, 36680), (2240, 34977), (2492, 31440), (2620, 29904), (2670, 29344), (2751, 28480), (2848, 27510), (3115, 25152), (3144, 24920), (3360, 23318), (3560, 22008), (3668, 21360), (3738, 20960), (3930, 19936), (4192, 18690), (4272, 18340), (4585, 17088), (4984, 15720), (5240, 14952), (5340, 14672), (5502, 14240), (5696, 13755), (6230, 12576), (6288, 12460), (6720, 11659), (7120, 11004), (7336, 10680), (7476, 10480), (7860, 9968), (8384, 9345), (8544, 9170)]