1971993240

素因数分解:

$2^3\times 3^2\times 5^1\times 7^2\times {\mathrm{111791}}^1$

素因数の和:111822

約数の個数: 144

約数和(自身を含む): 7455408480

約数和(自身を除く): 5483415240

約数列:

[1, 2, 3, 4, 5, 6, 7, 8, 9, 10, 12, 14, 15, 18, 20, 21, 24, 28, 30, 35, 36, 40, 42, 45, 49, 56, 60, 63, 70, 72, 84, 90, 98, 105, 120, 126, 140, 147, 168, 180, 196, 210, 245, 252, 280, 294, 315, 360, 392, 420, 441, 490, 504, 588, 630, 735, 840, 882, 980, 1176, 1260, 1470, 1764, 1960, 2205, 2520, 2940, 3528, 4410, 5880, 8820, 17640, 111791, 223582, 335373, 447164, 558955, 670746, 782537, 894328, 1006119, 1117910, 1341492, 1565074, 1676865, 2012238, 2235820, 2347611, 2682984, 3130148, 3353730, 3912685, 4024476, 4471640, 4695222, 5030595, 5477759, 6260296, 6707460, 7042833, 7825370, 8048952, 9390444, 10061190, 10955518, 11738055, 13414920, 14085666, 15650740, 16433277, 18780888, 20122380, 21911036, 23476110, 27388795, 28171332, 31301480, 32866554, 35214165, 40244760, 43822072, 46952220, 49299831, 54777590, 56342664, 65733108, 70428330, 82166385, 93904440, 98599662, 109555180, 131466216, 140856660, 164332770, 197199324, 219110360, 246499155, 281713320, 328665540, 394398648, 492998310, 657331080, 985996620, 1971993240]

約数ペア:

[(1, 1971993240), (2, 985996620), (3, 657331080), (4, 492998310), (5, 394398648), (6, 328665540), (7, 281713320), (8, 246499155), (9, 219110360), (10, 197199324), (12, 164332770), (14, 140856660), (15, 131466216), (18, 109555180), (20, 98599662), (21, 93904440), (24, 82166385), (28, 70428330), (30, 65733108), (35, 56342664), (36, 54777590), (40, 49299831), (42, 46952220), (45, 43822072), (49, 40244760), (56, 35214165), (60, 32866554), (63, 31301480), (70, 28171332), (72, 27388795), (84, 23476110), (90, 21911036), (98, 20122380), (105, 18780888), (120, 16433277), (126, 15650740), (140, 14085666), (147, 13414920), (168, 11738055), (180, 10955518), (196, 10061190), (210, 9390444), (245, 8048952), (252, 7825370), (280, 7042833), (294, 6707460), (315, 6260296), (360, 5477759), (392, 5030595), (420, 4695222), (441, 4471640), (490, 4024476), (504, 3912685), (588, 3353730), (630, 3130148), (735, 2682984), (840, 2347611), (882, 2235820), (980, 2012238), (1176, 1676865), (1260, 1565074), (1470, 1341492), (1764, 1117910), (1960, 1006119), (2205, 894328), (2520, 782537), (2940, 670746), (3528, 558955), (4410, 447164), (5880, 335373), (8820, 223582), (17640, 111791)]