78673680

素因数分解:

$2^4\times 3^6\times 5^1\times {\mathrm{19}}^1\times {\mathrm{71}}^1$

素因数の和:121

約数の個数: 280

約数和(自身を含む): 292749120

約数和(自身を除く): 214075440

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, 71, 72, 76, 80, 81, 90, 95, 108, 114, 120, 135, 142, 144, 152, 162, 171, 180, 190, 213, 216, 228, 240, 243, 270, 284, 285, 304, 324, 342, 355, 360, 380, 405, 426, 432, 456, 486, 513, 540, 568, 570, 639, 648, 684, 710, 720, 729, 760, 810, 852, 855, 912, 972, 1026, 1065, 1080, 1136, 1140, 1215, 1278, 1296, 1349, 1368, 1420, 1458, 1520, 1539, 1620, 1704, 1710, 1917, 1944, 2052, 2130, 2160, 2280, 2430, 2556, 2565, 2698, 2736, 2840, 2916, 3078, 3195, 3240, 3408, 3420, 3645, 3834, 3888, 4047, 4104, 4260, 4560, 4617, 4860, 5112, 5130, 5396, 5680, 5751, 5832, 6156, 6390, 6480, 6745, 6840, 7290, 7668, 7695, 8094, 8208, 8520, 9234, 9585, 9720, 10224, 10260, 10792, 11502, 11664, 12141, 12312, 12780, 13490, 13680, 13851, 14580, 15336, 15390, 16188, 17040, 17253, 18468, 19170, 19440, 20235, 20520, 21584, 23004, 23085, 24282, 24624, 25560, 26980, 27702, 28755, 29160, 30672, 30780, 32376, 34506, 36423, 36936, 38340, 40470, 41040, 46008, 46170, 48564, 51120, 51759, 53960, 55404, 57510, 58320, 60705, 61560, 64752, 69012, 69255, 72846, 73872, 76680, 80940, 86265, 92016, 92340, 97128, 103518, 107920, 109269, 110808, 115020, 121410, 123120, 138024, 138510, 145692, 153360, 161880, 172530, 182115, 184680, 194256, 207036, 218538, 221616, 230040, 242820, 258795, 276048, 277020, 291384, 323760, 327807, 345060, 364230, 369360, 414072, 437076, 460080, 485640, 517590, 546345, 554040, 582768, 655614, 690120, 728460, 828144, 874152, 971280, 983421, 1035180, 1092690, 1108080, 1311228, 1380240, 1456920, 1639035, 1748304, 1966842, 2070360, 2185380, 2622456, 2913840, 3278070, 3933684, 4140720, 4370760, 4917105, 5244912, 6556140, 7867368, 8741520, 9834210, 13112280, 15734736, 19668420, 26224560, 39336840, 78673680]

約数ペア:

[(1, 78673680), (2, 39336840), (3, 26224560), (4, 19668420), (5, 15734736), (6, 13112280), (8, 9834210), (9, 8741520), (10, 7867368), (12, 6556140), (15, 5244912), (16, 4917105), (18, 4370760), (19, 4140720), (20, 3933684), (24, 3278070), (27, 2913840), (30, 2622456), (36, 2185380), (38, 2070360), (40, 1966842), (45, 1748304), (48, 1639035), (54, 1456920), (57, 1380240), (60, 1311228), (71, 1108080), (72, 1092690), (76, 1035180), (80, 983421), (81, 971280), (90, 874152), (95, 828144), (108, 728460), (114, 690120), (120, 655614), (135, 582768), (142, 554040), (144, 546345), (152, 517590), (162, 485640), (171, 460080), (180, 437076), (190, 414072), (213, 369360), (216, 364230), (228, 345060), (240, 327807), (243, 323760), (270, 291384), (284, 277020), (285, 276048), (304, 258795), (324, 242820), (342, 230040), (355, 221616), (360, 218538), (380, 207036), (405, 194256), (426, 184680), (432, 182115), (456, 172530), (486, 161880), (513, 153360), (540, 145692), (568, 138510), (570, 138024), (639, 123120), (648, 121410), (684, 115020), (710, 110808), (720, 109269), (729, 107920), (760, 103518), (810, 97128), (852, 92340), (855, 92016), (912, 86265), (972, 80940), (1026, 76680), (1065, 73872), (1080, 72846), (1136, 69255), (1140, 69012), (1215, 64752), (1278, 61560), (1296, 60705), (1349, 58320), (1368, 57510), (1420, 55404), (1458, 53960), (1520, 51759), (1539, 51120), (1620, 48564), (1704, 46170), (1710, 46008), (1917, 41040), (1944, 40470), (2052, 38340), (2130, 36936), (2160, 36423), (2280, 34506), (2430, 32376), (2556, 30780), (2565, 30672), (2698, 29160), (2736, 28755), (2840, 27702), (2916, 26980), (3078, 25560), (3195, 24624), (3240, 24282), (3408, 23085), (3420, 23004), (3645, 21584), (3834, 20520), (3888, 20235), (4047, 19440), (4104, 19170), (4260, 18468), (4560, 17253), (4617, 17040), (4860, 16188), (5112, 15390), (5130, 15336), (5396, 14580), (5680, 13851), (5751, 13680), (5832, 13490), (6156, 12780), (6390, 12312), (6480, 12141), (6745, 11664), (6840, 11502), (7290, 10792), (7668, 10260), (7695, 10224), (8094, 9720), (8208, 9585), (8520, 9234)]