16345980

素因数分解:

$2^2\times 3^2\times 5^1\times 7^1\times {\mathrm{12973}}^1$

素因数の和:12995

約数の個数: 72

約数和(自身を含む): 56670432

約数和(自身を除く): 40324452

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, 12973, 25946, 38919, 51892, 64865, 77838, 90811, 116757, 129730, 155676, 181622, 194595, 233514, 259460, 272433, 363244, 389190, 454055, 467028, 544866, 583785, 778380, 817299, 908110, 1089732, 1167570, 1362165, 1634598, 1816220, 2335140, 2724330, 3269196, 4086495, 5448660, 8172990, 16345980]

約数ペア:

[(1, 16345980), (2, 8172990), (3, 5448660), (4, 4086495), (5, 3269196), (6, 2724330), (7, 2335140), (9, 1816220), (10, 1634598), (12, 1362165), (14, 1167570), (15, 1089732), (18, 908110), (20, 817299), (21, 778380), (28, 583785), (30, 544866), (35, 467028), (36, 454055), (42, 389190), (45, 363244), (60, 272433), (63, 259460), (70, 233514), (84, 194595), (90, 181622), (105, 155676), (126, 129730), (140, 116757), (180, 90811), (210, 77838), (252, 64865), (315, 51892), (420, 38919), (630, 25946), (1260, 12973)]