198515880

素因数分解:

$2^3\times 3^3\times 5^1\times {\mathrm{397}}^1\times {\mathrm{463}}^1$

素因数の和:880

約数の個数: 128

約数和(自身を含む): 664819200

約数和(自身を除く): 466303320

約数列:

[1, 2, 3, 4, 5, 6, 8, 9, 10, 12, 15, 18, 20, 24, 27, 30, 36, 40, 45, 54, 60, 72, 90, 108, 120, 135, 180, 216, 270, 360, 397, 463, 540, 794, 926, 1080, 1191, 1389, 1588, 1852, 1985, 2315, 2382, 2778, 3176, 3573, 3704, 3970, 4167, 4630, 4764, 5556, 5955, 6945, 7146, 7940, 8334, 9260, 9528, 10719, 11112, 11910, 12501, 13890, 14292, 15880, 16668, 17865, 18520, 20835, 21438, 23820, 25002, 27780, 28584, 33336, 35730, 41670, 42876, 47640, 50004, 53595, 55560, 62505, 71460, 83340, 85752, 100008, 107190, 125010, 142920, 166680, 183811, 214380, 250020, 367622, 428760, 500040, 551433, 735244, 919055, 1102866, 1470488, 1654299, 1838110, 2205732, 2757165, 3308598, 3676220, 4411464, 4962897, 5514330, 6617196, 7352440, 8271495, 9925794, 11028660, 13234392, 16542990, 19851588, 22057320, 24814485, 33085980, 39703176, 49628970, 66171960, 99257940, 198515880]

約数ペア:

[(1, 198515880), (2, 99257940), (3, 66171960), (4, 49628970), (5, 39703176), (6, 33085980), (8, 24814485), (9, 22057320), (10, 19851588), (12, 16542990), (15, 13234392), (18, 11028660), (20, 9925794), (24, 8271495), (27, 7352440), (30, 6617196), (36, 5514330), (40, 4962897), (45, 4411464), (54, 3676220), (60, 3308598), (72, 2757165), (90, 2205732), (108, 1838110), (120, 1654299), (135, 1470488), (180, 1102866), (216, 919055), (270, 735244), (360, 551433), (397, 500040), (463, 428760), (540, 367622), (794, 250020), (926, 214380), (1080, 183811), (1191, 166680), (1389, 142920), (1588, 125010), (1852, 107190), (1985, 100008), (2315, 85752), (2382, 83340), (2778, 71460), (3176, 62505), (3573, 55560), (3704, 53595), (3970, 50004), (4167, 47640), (4630, 42876), (4764, 41670), (5556, 35730), (5955, 33336), (6945, 28584), (7146, 27780), (7940, 25002), (8334, 23820), (9260, 21438), (9528, 20835), (10719, 18520), (11112, 17865), (11910, 16668), (12501, 15880), (13890, 14292)]