16840740

素因数分解:

$2^2\times 3^1\times 5^1\times 7^1\times {\mathrm{101}}^1\times {\mathrm{397}}^1$

素因数の和:517

約数の個数: 96

約数和(自身を含む): 54561024

約数和(自身を除く): 37720284

約数列:

[1, 2, 3, 4, 5, 6, 7, 10, 12, 14, 15, 20, 21, 28, 30, 35, 42, 60, 70, 84, 101, 105, 140, 202, 210, 303, 397, 404, 420, 505, 606, 707, 794, 1010, 1191, 1212, 1414, 1515, 1588, 1985, 2020, 2121, 2382, 2779, 2828, 3030, 3535, 3970, 4242, 4764, 5558, 5955, 6060, 7070, 7940, 8337, 8484, 10605, 11116, 11910, 13895, 14140, 16674, 21210, 23820, 27790, 33348, 40097, 41685, 42420, 55580, 80194, 83370, 120291, 160388, 166740, 200485, 240582, 280679, 400970, 481164, 561358, 601455, 801940, 842037, 1122716, 1202910, 1403395, 1684074, 2405820, 2806790, 3368148, 4210185, 5613580, 8420370, 16840740]

約数ペア:

[(1, 16840740), (2, 8420370), (3, 5613580), (4, 4210185), (5, 3368148), (6, 2806790), (7, 2405820), (10, 1684074), (12, 1403395), (14, 1202910), (15, 1122716), (20, 842037), (21, 801940), (28, 601455), (30, 561358), (35, 481164), (42, 400970), (60, 280679), (70, 240582), (84, 200485), (101, 166740), (105, 160388), (140, 120291), (202, 83370), (210, 80194), (303, 55580), (397, 42420), (404, 41685), (420, 40097), (505, 33348), (606, 27790), (707, 23820), (794, 21210), (1010, 16674), (1191, 14140), (1212, 13895), (1414, 11910), (1515, 11116), (1588, 10605), (1985, 8484), (2020, 8337), (2121, 7940), (2382, 7070), (2779, 6060), (2828, 5955), (3030, 5558), (3535, 4764), (3970, 4242)]