638390640

素因数分解:

$2^4\times 3^1\times 5^1\times {\mathrm{1151}}^1\times {\mathrm{2311}}^1$

素因数の和:3478

約数の個数: 80

約数和(自身を含む): 1981587456

約数和(自身を除く): 1343196816

約数列:

[1, 2, 3, 4, 5, 6, 8, 10, 12, 15, 16, 20, 24, 30, 40, 48, 60, 80, 120, 240, 1151, 2302, 2311, 3453, 4604, 4622, 5755, 6906, 6933, 9208, 9244, 11510, 11555, 13812, 13866, 17265, 18416, 18488, 23020, 23110, 27624, 27732, 34530, 34665, 36976, 46040, 46220, 55248, 55464, 69060, 69330, 92080, 92440, 110928, 138120, 138660, 184880, 276240, 277320, 554640, 2659961, 5319922, 7979883, 10639844, 13299805, 15959766, 21279688, 26599610, 31919532, 39899415, 42559376, 53199220, 63839064, 79798830, 106398440, 127678128, 159597660, 212796880, 319195320, 638390640]

約数ペア:

[(1, 638390640), (2, 319195320), (3, 212796880), (4, 159597660), (5, 127678128), (6, 106398440), (8, 79798830), (10, 63839064), (12, 53199220), (15, 42559376), (16, 39899415), (20, 31919532), (24, 26599610), (30, 21279688), (40, 15959766), (48, 13299805), (60, 10639844), (80, 7979883), (120, 5319922), (240, 2659961), (1151, 554640), (2302, 277320), (2311, 276240), (3453, 184880), (4604, 138660), (4622, 138120), (5755, 110928), (6906, 92440), (6933, 92080), (9208, 69330), (9244, 69060), (11510, 55464), (11555, 55248), (13812, 46220), (13866, 46040), (17265, 36976), (18416, 34665), (18488, 34530), (23020, 27732), (23110, 27624)]