251137440

素因数分解:

$2^5\times 3^2\times 5^1\times {\mathrm{19}}^1\times {\mathrm{67}}^1\times {\mathrm{137}}^1$

素因数の和:244

約数の個数: 288

約数和(自身を含む): 922259520

約数和(自身を除く): 671122080

約数列:

[1, 2, 3, 4, 5, 6, 8, 9, 10, 12, 15, 16, 18, 19, 20, 24, 30, 32, 36, 38, 40, 45, 48, 57, 60, 67, 72, 76, 80, 90, 95, 96, 114, 120, 134, 137, 144, 152, 160, 171, 180, 190, 201, 228, 240, 268, 274, 285, 288, 304, 335, 342, 360, 380, 402, 411, 456, 480, 536, 548, 570, 603, 608, 670, 684, 685, 720, 760, 804, 822, 855, 912, 1005, 1072, 1096, 1140, 1206, 1233, 1273, 1340, 1368, 1370, 1440, 1520, 1608, 1644, 1710, 1824, 2010, 2055, 2144, 2192, 2280, 2412, 2466, 2546, 2603, 2680, 2736, 2740, 3015, 3040, 3216, 3288, 3420, 3819, 4020, 4110, 4384, 4560, 4824, 4932, 5092, 5206, 5360, 5472, 5480, 6030, 6165, 6365, 6432, 6576, 6840, 7638, 7809, 8040, 8220, 9120, 9179, 9648, 9864, 10184, 10412, 10720, 10960, 11457, 12060, 12330, 12730, 13015, 13152, 13680, 15276, 15618, 16080, 16440, 18358, 19095, 19296, 19728, 20368, 20824, 21920, 22914, 23427, 24120, 24660, 25460, 26030, 27360, 27537, 30552, 31236, 32160, 32880, 36716, 38190, 39045, 39456, 40736, 41648, 45828, 45895, 46854, 48240, 49320, 50920, 52060, 55074, 57285, 61104, 62472, 65760, 73432, 76380, 78090, 82611, 83296, 91656, 91790, 93708, 96480, 98640, 101840, 104120, 110148, 114570, 117135, 122208, 124944, 137685, 146864, 152760, 156180, 165222, 174401, 183312, 183580, 187416, 197280, 203680, 208240, 220296, 229140, 234270, 249888, 275370, 293728, 305520, 312360, 330444, 348802, 366624, 367160, 374832, 413055, 416480, 440592, 458280, 468540, 523203, 550740, 611040, 624720, 660888, 697604, 734320, 749664, 826110, 872005, 881184, 916560, 937080, 1046406, 1101480, 1249440, 1321776, 1395208, 1468640, 1569609, 1652220, 1744010, 1833120, 1874160, 2092812, 2202960, 2616015, 2643552, 2790416, 3139218, 3304440, 3488020, 3748320, 4185624, 4405920, 5232030, 5580832, 6278436, 6608880, 6976040, 7848045, 8371248, 10464060, 12556872, 13217760, 13952080, 15696090, 16742496, 20928120, 25113744, 27904160, 31392180, 41856240, 50227488, 62784360, 83712480, 125568720, 251137440]

約数ペア:

[(1, 251137440), (2, 125568720), (3, 83712480), (4, 62784360), (5, 50227488), (6, 41856240), (8, 31392180), (9, 27904160), (10, 25113744), (12, 20928120), (15, 16742496), (16, 15696090), (18, 13952080), (19, 13217760), (20, 12556872), (24, 10464060), (30, 8371248), (32, 7848045), (36, 6976040), (38, 6608880), (40, 6278436), (45, 5580832), (48, 5232030), (57, 4405920), (60, 4185624), (67, 3748320), (72, 3488020), (76, 3304440), (80, 3139218), (90, 2790416), (95, 2643552), (96, 2616015), (114, 2202960), (120, 2092812), (134, 1874160), (137, 1833120), (144, 1744010), (152, 1652220), (160, 1569609), (171, 1468640), (180, 1395208), (190, 1321776), (201, 1249440), (228, 1101480), (240, 1046406), (268, 937080), (274, 916560), (285, 881184), (288, 872005), (304, 826110), (335, 749664), (342, 734320), (360, 697604), (380, 660888), (402, 624720), (411, 611040), (456, 550740), (480, 523203), (536, 468540), (548, 458280), (570, 440592), (603, 416480), (608, 413055), (670, 374832), (684, 367160), (685, 366624), (720, 348802), (760, 330444), (804, 312360), (822, 305520), (855, 293728), (912, 275370), (1005, 249888), (1072, 234270), (1096, 229140), (1140, 220296), (1206, 208240), (1233, 203680), (1273, 197280), (1340, 187416), (1368, 183580), (1370, 183312), (1440, 174401), (1520, 165222), (1608, 156180), (1644, 152760), (1710, 146864), (1824, 137685), (2010, 124944), (2055, 122208), (2144, 117135), (2192, 114570), (2280, 110148), (2412, 104120), (2466, 101840), (2546, 98640), (2603, 96480), (2680, 93708), (2736, 91790), (2740, 91656), (3015, 83296), (3040, 82611), (3216, 78090), (3288, 76380), (3420, 73432), (3819, 65760), (4020, 62472), (4110, 61104), (4384, 57285), (4560, 55074), (4824, 52060), (4932, 50920), (5092, 49320), (5206, 48240), (5360, 46854), (5472, 45895), (5480, 45828), (6030, 41648), (6165, 40736), (6365, 39456), (6432, 39045), (6576, 38190), (6840, 36716), (7638, 32880), (7809, 32160), (8040, 31236), (8220, 30552), (9120, 27537), (9179, 27360), (9648, 26030), (9864, 25460), (10184, 24660), (10412, 24120), (10720, 23427), (10960, 22914), (11457, 21920), (12060, 20824), (12330, 20368), (12730, 19728), (13015, 19296), (13152, 19095), (13680, 18358), (15276, 16440), (15618, 16080)]