39890880

素因数分解:

$2^6\times 3^8\times 5^1\times {\mathrm{19}}^1$

素因数の和:60

約数の個数: 252

約数和(自身を含む): 149976840

約数和(自身を除く): 110085960

約数列:

[1, 2, 3, 4, 5, 6, 8, 9, 10, 12, 15, 16, 18, 19, 20, 24, 27, 30, 32, 36, 38, 40, 45, 48, 54, 57, 60, 64, 72, 76, 80, 81, 90, 95, 96, 108, 114, 120, 135, 144, 152, 160, 162, 171, 180, 190, 192, 216, 228, 240, 243, 270, 285, 288, 304, 320, 324, 342, 360, 380, 405, 432, 456, 480, 486, 513, 540, 570, 576, 608, 648, 684, 720, 729, 760, 810, 855, 864, 912, 960, 972, 1026, 1080, 1140, 1215, 1216, 1296, 1368, 1440, 1458, 1520, 1539, 1620, 1710, 1728, 1824, 1944, 2052, 2160, 2187, 2280, 2430, 2565, 2592, 2736, 2880, 2916, 3040, 3078, 3240, 3420, 3645, 3648, 3888, 4104, 4320, 4374, 4560, 4617, 4860, 5130, 5184, 5472, 5832, 6080, 6156, 6480, 6561, 6840, 7290, 7695, 7776, 8208, 8640, 8748, 9120, 9234, 9720, 10260, 10935, 10944, 11664, 12312, 12960, 13122, 13680, 13851, 14580, 15390, 15552, 16416, 17496, 18240, 18468, 19440, 20520, 21870, 23085, 23328, 24624, 25920, 26244, 27360, 27702, 29160, 30780, 32805, 32832, 34992, 36936, 38880, 41040, 41553, 43740, 46170, 46656, 49248, 52488, 54720, 55404, 58320, 61560, 65610, 69255, 69984, 73872, 77760, 82080, 83106, 87480, 92340, 98496, 104976, 110808, 116640, 123120, 124659, 131220, 138510, 139968, 147744, 164160, 166212, 174960, 184680, 207765, 209952, 221616, 233280, 246240, 249318, 262440, 277020, 295488, 332424, 349920, 369360, 415530, 419904, 443232, 492480, 498636, 524880, 554040, 623295, 664848, 699840, 738720, 831060, 886464, 997272, 1049760, 1108080, 1246590, 1329696, 1477440, 1662120, 1994544, 2099520, 2216160, 2493180, 2659392, 3324240, 3989088, 4432320, 4986360, 6648480, 7978176, 9972720, 13296960, 19945440, 39890880]

約数ペア:

[(1, 39890880), (2, 19945440), (3, 13296960), (4, 9972720), (5, 7978176), (6, 6648480), (8, 4986360), (9, 4432320), (10, 3989088), (12, 3324240), (15, 2659392), (16, 2493180), (18, 2216160), (19, 2099520), (20, 1994544), (24, 1662120), (27, 1477440), (30, 1329696), (32, 1246590), (36, 1108080), (38, 1049760), (40, 997272), (45, 886464), (48, 831060), (54, 738720), (57, 699840), (60, 664848), (64, 623295), (72, 554040), (76, 524880), (80, 498636), (81, 492480), (90, 443232), (95, 419904), (96, 415530), (108, 369360), (114, 349920), (120, 332424), (135, 295488), (144, 277020), (152, 262440), (160, 249318), (162, 246240), (171, 233280), (180, 221616), (190, 209952), (192, 207765), (216, 184680), (228, 174960), (240, 166212), (243, 164160), (270, 147744), (285, 139968), (288, 138510), (304, 131220), (320, 124659), (324, 123120), (342, 116640), (360, 110808), (380, 104976), (405, 98496), (432, 92340), (456, 87480), (480, 83106), (486, 82080), (513, 77760), (540, 73872), (570, 69984), (576, 69255), (608, 65610), (648, 61560), (684, 58320), (720, 55404), (729, 54720), (760, 52488), (810, 49248), (855, 46656), (864, 46170), (912, 43740), (960, 41553), (972, 41040), (1026, 38880), (1080, 36936), (1140, 34992), (1215, 32832), (1216, 32805), (1296, 30780), (1368, 29160), (1440, 27702), (1458, 27360), (1520, 26244), (1539, 25920), (1620, 24624), (1710, 23328), (1728, 23085), (1824, 21870), (1944, 20520), (2052, 19440), (2160, 18468), (2187, 18240), (2280, 17496), (2430, 16416), (2565, 15552), (2592, 15390), (2736, 14580), (2880, 13851), (2916, 13680), (3040, 13122), (3078, 12960), (3240, 12312), (3420, 11664), (3645, 10944), (3648, 10935), (3888, 10260), (4104, 9720), (4320, 9234), (4374, 9120), (4560, 8748), (4617, 8640), (4860, 8208), (5130, 7776), (5184, 7695), (5472, 7290), (5832, 6840), (6080, 6561), (6156, 6480)]