319146240

素因数分解:

$2^8\times 3^1\times 5^1\times 7^1\times {\mathrm{31}}^1\times {\mathrm{383}}^1$

素因数の和:445

約数の個数: 288

約数和(自身を含む): 1205600256

約数和(自身を除く): 886454016

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, 128, 140, 155, 160, 168, 186, 192, 210, 217, 224, 240, 248, 256, 280, 310, 320, 336, 372, 383, 384, 420, 434, 448, 465, 480, 496, 560, 620, 640, 651, 672, 744, 766, 768, 840, 868, 896, 930, 960, 992, 1085, 1120, 1149, 1240, 1280, 1302, 1344, 1488, 1532, 1680, 1736, 1792, 1860, 1915, 1920, 1984, 2170, 2240, 2298, 2480, 2604, 2681, 2688, 2976, 3064, 3255, 3360, 3472, 3720, 3830, 3840, 3968, 4340, 4480, 4596, 4960, 5208, 5362, 5376, 5745, 5952, 6128, 6510, 6720, 6944, 7440, 7660, 7936, 8043, 8680, 8960, 9192, 9920, 10416, 10724, 11490, 11873, 11904, 12256, 13020, 13405, 13440, 13888, 14880, 15320, 16086, 17360, 18384, 19840, 20832, 21448, 22980, 23746, 23808, 24512, 26040, 26810, 26880, 27776, 29760, 30640, 32172, 34720, 35619, 36768, 39680, 40215, 41664, 42896, 45960, 47492, 49024, 52080, 53620, 55552, 59365, 59520, 61280, 64344, 69440, 71238, 73536, 80430, 83111, 83328, 85792, 91920, 94984, 98048, 104160, 107240, 118730, 119040, 122560, 128688, 138880, 142476, 147072, 160860, 166222, 166656, 171584, 178095, 183840, 189968, 208320, 214480, 237460, 245120, 249333, 257376, 277760, 284952, 294144, 321720, 332444, 343168, 356190, 367680, 379936, 415555, 416640, 428960, 474920, 490240, 498666, 514752, 569904, 643440, 664888, 686336, 712380, 735360, 759872, 831110, 833280, 857920, 949840, 997332, 1029504, 1139808, 1246665, 1286880, 1329776, 1424760, 1470720, 1519744, 1662220, 1715840, 1899680, 1994664, 2059008, 2279616, 2493330, 2573760, 2659552, 2849520, 3039488, 3324440, 3431680, 3799360, 3989328, 4559232, 4986660, 5147520, 5319104, 5699040, 6648880, 7598720, 7978656, 9118464, 9973320, 10295040, 10638208, 11398080, 13297760, 15197440, 15957312, 19946640, 21276416, 22796160, 26595520, 31914624, 39893280, 45592320, 53191040, 63829248, 79786560, 106382080, 159573120, 319146240]

約数ペア:

[(1, 319146240), (2, 159573120), (3, 106382080), (4, 79786560), (5, 63829248), (6, 53191040), (7, 45592320), (8, 39893280), (10, 31914624), (12, 26595520), (14, 22796160), (15, 21276416), (16, 19946640), (20, 15957312), (21, 15197440), (24, 13297760), (28, 11398080), (30, 10638208), (31, 10295040), (32, 9973320), (35, 9118464), (40, 7978656), (42, 7598720), (48, 6648880), (56, 5699040), (60, 5319104), (62, 5147520), (64, 4986660), (70, 4559232), (80, 3989328), (84, 3799360), (93, 3431680), (96, 3324440), (105, 3039488), (112, 2849520), (120, 2659552), (124, 2573760), (128, 2493330), (140, 2279616), (155, 2059008), (160, 1994664), (168, 1899680), (186, 1715840), (192, 1662220), (210, 1519744), (217, 1470720), (224, 1424760), (240, 1329776), (248, 1286880), (256, 1246665), (280, 1139808), (310, 1029504), (320, 997332), (336, 949840), (372, 857920), (383, 833280), (384, 831110), (420, 759872), (434, 735360), (448, 712380), (465, 686336), (480, 664888), (496, 643440), (560, 569904), (620, 514752), (640, 498666), (651, 490240), (672, 474920), (744, 428960), (766, 416640), (768, 415555), (840, 379936), (868, 367680), (896, 356190), (930, 343168), (960, 332444), (992, 321720), (1085, 294144), (1120, 284952), (1149, 277760), (1240, 257376), (1280, 249333), (1302, 245120), (1344, 237460), (1488, 214480), (1532, 208320), (1680, 189968), (1736, 183840), (1792, 178095), (1860, 171584), (1915, 166656), (1920, 166222), (1984, 160860), (2170, 147072), (2240, 142476), (2298, 138880), (2480, 128688), (2604, 122560), (2681, 119040), (2688, 118730), (2976, 107240), (3064, 104160), (3255, 98048), (3360, 94984), (3472, 91920), (3720, 85792), (3830, 83328), (3840, 83111), (3968, 80430), (4340, 73536), (4480, 71238), (4596, 69440), (4960, 64344), (5208, 61280), (5362, 59520), (5376, 59365), (5745, 55552), (5952, 53620), (6128, 52080), (6510, 49024), (6720, 47492), (6944, 45960), (7440, 42896), (7660, 41664), (7936, 40215), (8043, 39680), (8680, 36768), (8960, 35619), (9192, 34720), (9920, 32172), (10416, 30640), (10724, 29760), (11490, 27776), (11873, 26880), (11904, 26810), (12256, 26040), (13020, 24512), (13405, 23808), (13440, 23746), (13888, 22980), (14880, 21448), (15320, 20832), (16086, 19840), (17360, 18384)]