258311040

素因数分解:

$2^7\times 3^1\times 5^1\times {\mathrm{13}}^1\times {\mathrm{79}}^1\times {\mathrm{131}}^1$

素因数の和:245

約数の個数: 256

約数和(自身を含む): 904780800

約数和(自身を除く): 646469760

約数列:

[1, 2, 3, 4, 5, 6, 8, 10, 12, 13, 15, 16, 20, 24, 26, 30, 32, 39, 40, 48, 52, 60, 64, 65, 78, 79, 80, 96, 104, 120, 128, 130, 131, 156, 158, 160, 192, 195, 208, 237, 240, 260, 262, 312, 316, 320, 384, 390, 393, 395, 416, 474, 480, 520, 524, 624, 632, 640, 655, 780, 786, 790, 832, 948, 960, 1027, 1040, 1048, 1185, 1248, 1264, 1310, 1560, 1572, 1580, 1664, 1703, 1896, 1920, 1965, 2054, 2080, 2096, 2370, 2496, 2528, 2620, 3081, 3120, 3144, 3160, 3406, 3792, 3930, 4108, 4160, 4192, 4740, 4992, 5056, 5109, 5135, 5240, 6162, 6240, 6288, 6320, 6812, 7584, 7860, 8216, 8320, 8384, 8515, 9480, 10112, 10218, 10270, 10349, 10480, 12324, 12480, 12576, 12640, 13624, 15168, 15405, 15720, 16432, 16768, 17030, 18960, 20436, 20540, 20698, 20960, 24648, 24960, 25152, 25280, 25545, 27248, 30336, 30810, 31047, 31440, 32864, 34060, 37920, 40872, 41080, 41396, 41920, 49296, 50304, 50560, 51090, 51745, 54496, 61620, 62094, 62880, 65728, 68120, 75840, 81744, 82160, 82792, 83840, 98592, 102180, 103490, 108992, 123240, 124188, 125760, 131456, 134537, 136240, 151680, 155235, 163488, 164320, 165584, 197184, 204360, 206980, 217984, 246480, 248376, 251520, 269074, 272480, 310470, 326976, 328640, 331168, 394368, 403611, 408720, 413960, 492960, 496752, 538148, 544960, 620940, 653952, 657280, 662336, 672685, 807222, 817440, 827920, 985920, 993504, 1076296, 1089920, 1241880, 1324672, 1345370, 1614444, 1634880, 1655840, 1971840, 1987008, 2018055, 2152592, 2483760, 2690740, 3228888, 3269760, 3311680, 3974016, 4036110, 4305184, 4967520, 5381480, 6457776, 6623360, 8072220, 8610368, 9935040, 10762960, 12915552, 16144440, 17220736, 19870080, 21525920, 25831104, 32288880, 43051840, 51662208, 64577760, 86103680, 129155520, 258311040]

約数ペア:

[(1, 258311040), (2, 129155520), (3, 86103680), (4, 64577760), (5, 51662208), (6, 43051840), (8, 32288880), (10, 25831104), (12, 21525920), (13, 19870080), (15, 17220736), (16, 16144440), (20, 12915552), (24, 10762960), (26, 9935040), (30, 8610368), (32, 8072220), (39, 6623360), (40, 6457776), (48, 5381480), (52, 4967520), (60, 4305184), (64, 4036110), (65, 3974016), (78, 3311680), (79, 3269760), (80, 3228888), (96, 2690740), (104, 2483760), (120, 2152592), (128, 2018055), (130, 1987008), (131, 1971840), (156, 1655840), (158, 1634880), (160, 1614444), (192, 1345370), (195, 1324672), (208, 1241880), (237, 1089920), (240, 1076296), (260, 993504), (262, 985920), (312, 827920), (316, 817440), (320, 807222), (384, 672685), (390, 662336), (393, 657280), (395, 653952), (416, 620940), (474, 544960), (480, 538148), (520, 496752), (524, 492960), (624, 413960), (632, 408720), (640, 403611), (655, 394368), (780, 331168), (786, 328640), (790, 326976), (832, 310470), (948, 272480), (960, 269074), (1027, 251520), (1040, 248376), (1048, 246480), (1185, 217984), (1248, 206980), (1264, 204360), (1310, 197184), (1560, 165584), (1572, 164320), (1580, 163488), (1664, 155235), (1703, 151680), (1896, 136240), (1920, 134537), (1965, 131456), (2054, 125760), (2080, 124188), (2096, 123240), (2370, 108992), (2496, 103490), (2528, 102180), (2620, 98592), (3081, 83840), (3120, 82792), (3144, 82160), (3160, 81744), (3406, 75840), (3792, 68120), (3930, 65728), (4108, 62880), (4160, 62094), (4192, 61620), (4740, 54496), (4992, 51745), (5056, 51090), (5109, 50560), (5135, 50304), (5240, 49296), (6162, 41920), (6240, 41396), (6288, 41080), (6320, 40872), (6812, 37920), (7584, 34060), (7860, 32864), (8216, 31440), (8320, 31047), (8384, 30810), (8515, 30336), (9480, 27248), (10112, 25545), (10218, 25280), (10270, 25152), (10349, 24960), (10480, 24648), (12324, 20960), (12480, 20698), (12576, 20540), (12640, 20436), (13624, 18960), (15168, 17030), (15405, 16768), (15720, 16432)]