9972720

素因数分解:

$2^4\times 3^8\times 5^1\times {\mathrm{19}}^1$

素因数の和:56

約数の個数: 180

約数和(自身を含む): 36608520

約数和(自身を除く): 26635800

約数列:

[1, 2, 3, 4, 5, 6, 8, 9, 10, 12, 15, 16, 18, 19, 20, 24, 27, 30, 36, 38, 40, 45, 48, 54, 57, 60, 72, 76, 80, 81, 90, 95, 108, 114, 120, 135, 144, 152, 162, 171, 180, 190, 216, 228, 240, 243, 270, 285, 304, 324, 342, 360, 380, 405, 432, 456, 486, 513, 540, 570, 648, 684, 720, 729, 760, 810, 855, 912, 972, 1026, 1080, 1140, 1215, 1296, 1368, 1458, 1520, 1539, 1620, 1710, 1944, 2052, 2160, 2187, 2280, 2430, 2565, 2736, 2916, 3078, 3240, 3420, 3645, 3888, 4104, 4374, 4560, 4617, 4860, 5130, 5832, 6156, 6480, 6561, 6840, 7290, 7695, 8208, 8748, 9234, 9720, 10260, 10935, 11664, 12312, 13122, 13680, 13851, 14580, 15390, 17496, 18468, 19440, 20520, 21870, 23085, 24624, 26244, 27702, 29160, 30780, 32805, 34992, 36936, 41040, 41553, 43740, 46170, 52488, 55404, 58320, 61560, 65610, 69255, 73872, 83106, 87480, 92340, 104976, 110808, 123120, 124659, 131220, 138510, 166212, 174960, 184680, 207765, 221616, 249318, 262440, 277020, 332424, 369360, 415530, 498636, 524880, 554040, 623295, 664848, 831060, 997272, 1108080, 1246590, 1662120, 1994544, 2493180, 3324240, 4986360, 9972720]

約数ペア:

[(1, 9972720), (2, 4986360), (3, 3324240), (4, 2493180), (5, 1994544), (6, 1662120), (8, 1246590), (9, 1108080), (10, 997272), (12, 831060), (15, 664848), (16, 623295), (18, 554040), (19, 524880), (20, 498636), (24, 415530), (27, 369360), (30, 332424), (36, 277020), (38, 262440), (40, 249318), (45, 221616), (48, 207765), (54, 184680), (57, 174960), (60, 166212), (72, 138510), (76, 131220), (80, 124659), (81, 123120), (90, 110808), (95, 104976), (108, 92340), (114, 87480), (120, 83106), (135, 73872), (144, 69255), (152, 65610), (162, 61560), (171, 58320), (180, 55404), (190, 52488), (216, 46170), (228, 43740), (240, 41553), (243, 41040), (270, 36936), (285, 34992), (304, 32805), (324, 30780), (342, 29160), (360, 27702), (380, 26244), (405, 24624), (432, 23085), (456, 21870), (486, 20520), (513, 19440), (540, 18468), (570, 17496), (648, 15390), (684, 14580), (720, 13851), (729, 13680), (760, 13122), (810, 12312), (855, 11664), (912, 10935), (972, 10260), (1026, 9720), (1080, 9234), (1140, 8748), (1215, 8208), (1296, 7695), (1368, 7290), (1458, 6840), (1520, 6561), (1539, 6480), (1620, 6156), (1710, 5832), (1944, 5130), (2052, 4860), (2160, 4617), (2187, 4560), (2280, 4374), (2430, 4104), (2565, 3888), (2736, 3645), (2916, 3420), (3078, 3240)]