42378480

素因数分解:

$2^4\times 3^2\times 5^1\times {\mathrm{71}}^1\times {\mathrm{829}}^1$

素因数の和:919

約数の個数: 120

約数和(自身を含む): 144499680

約数和(自身を除く): 102121200

約数列:

[1, 2, 3, 4, 5, 6, 8, 9, 10, 12, 15, 16, 18, 20, 24, 30, 36, 40, 45, 48, 60, 71, 72, 80, 90, 120, 142, 144, 180, 213, 240, 284, 355, 360, 426, 568, 639, 710, 720, 829, 852, 1065, 1136, 1278, 1420, 1658, 1704, 2130, 2487, 2556, 2840, 3195, 3316, 3408, 4145, 4260, 4974, 5112, 5680, 6390, 6632, 7461, 8290, 8520, 9948, 10224, 12435, 12780, 13264, 14922, 16580, 17040, 19896, 24870, 25560, 29844, 33160, 37305, 39792, 49740, 51120, 58859, 59688, 66320, 74610, 99480, 117718, 119376, 149220, 176577, 198960, 235436, 294295, 298440, 353154, 470872, 529731, 588590, 596880, 706308, 882885, 941744, 1059462, 1177180, 1412616, 1765770, 2118924, 2354360, 2648655, 2825232, 3531540, 4237848, 4708720, 5297310, 7063080, 8475696, 10594620, 14126160, 21189240, 42378480]

約数ペア:

[(1, 42378480), (2, 21189240), (3, 14126160), (4, 10594620), (5, 8475696), (6, 7063080), (8, 5297310), (9, 4708720), (10, 4237848), (12, 3531540), (15, 2825232), (16, 2648655), (18, 2354360), (20, 2118924), (24, 1765770), (30, 1412616), (36, 1177180), (40, 1059462), (45, 941744), (48, 882885), (60, 706308), (71, 596880), (72, 588590), (80, 529731), (90, 470872), (120, 353154), (142, 298440), (144, 294295), (180, 235436), (213, 198960), (240, 176577), (284, 149220), (355, 119376), (360, 117718), (426, 99480), (568, 74610), (639, 66320), (710, 59688), (720, 58859), (829, 51120), (852, 49740), (1065, 39792), (1136, 37305), (1278, 33160), (1420, 29844), (1658, 25560), (1704, 24870), (2130, 19896), (2487, 17040), (2556, 16580), (2840, 14922), (3195, 13264), (3316, 12780), (3408, 12435), (4145, 10224), (4260, 9948), (4974, 8520), (5112, 8290), (5680, 7461), (6390, 6632)]