206857980

素因数分解:

$2^2\times 3^2\times 5^1\times 7^1\times {\mathrm{164173}}^1$

素因数の和:164195

約数の個数: 72

約数和(自身を含む): 717112032

約数和(自身を除く): 510254052

約数列:

[1, 2, 3, 4, 5, 6, 7, 9, 10, 12, 14, 15, 18, 20, 21, 28, 30, 35, 36, 42, 45, 60, 63, 70, 84, 90, 105, 126, 140, 180, 210, 252, 315, 420, 630, 1260, 164173, 328346, 492519, 656692, 820865, 985038, 1149211, 1477557, 1641730, 1970076, 2298422, 2462595, 2955114, 3283460, 3447633, 4596844, 4925190, 5746055, 5910228, 6895266, 7387785, 9850380, 10342899, 11492110, 13790532, 14775570, 17238165, 20685798, 22984220, 29551140, 34476330, 41371596, 51714495, 68952660, 103428990, 206857980]

約数ペア:

[(1, 206857980), (2, 103428990), (3, 68952660), (4, 51714495), (5, 41371596), (6, 34476330), (7, 29551140), (9, 22984220), (10, 20685798), (12, 17238165), (14, 14775570), (15, 13790532), (18, 11492110), (20, 10342899), (21, 9850380), (28, 7387785), (30, 6895266), (35, 5910228), (36, 5746055), (42, 4925190), (45, 4596844), (60, 3447633), (63, 3283460), (70, 2955114), (84, 2462595), (90, 2298422), (105, 1970076), (126, 1641730), (140, 1477557), (180, 1149211), (210, 985038), (252, 820865), (315, 656692), (420, 492519), (630, 328346), (1260, 164173)]