78801900

素因数分解:

$2^2\times 3^1\times 5^2\times {\mathrm{193}}^1\times {\mathrm{1361}}^1$

素因数の和:1571

約数の個数: 72

約数和(自身を含む): 229349904

約数和(自身を除く): 150548004

約数列:

[1, 2, 3, 4, 5, 6, 10, 12, 15, 20, 25, 30, 50, 60, 75, 100, 150, 193, 300, 386, 579, 772, 965, 1158, 1361, 1930, 2316, 2722, 2895, 3860, 4083, 4825, 5444, 5790, 6805, 8166, 9650, 11580, 13610, 14475, 16332, 19300, 20415, 27220, 28950, 34025, 40830, 57900, 68050, 81660, 102075, 136100, 204150, 262673, 408300, 525346, 788019, 1050692, 1313365, 1576038, 2626730, 3152076, 3940095, 5253460, 6566825, 7880190, 13133650, 15760380, 19700475, 26267300, 39400950, 78801900]

約数ペア:

[(1, 78801900), (2, 39400950), (3, 26267300), (4, 19700475), (5, 15760380), (6, 13133650), (10, 7880190), (12, 6566825), (15, 5253460), (20, 3940095), (25, 3152076), (30, 2626730), (50, 1576038), (60, 1313365), (75, 1050692), (100, 788019), (150, 525346), (193, 408300), (300, 262673), (386, 204150), (579, 136100), (772, 102075), (965, 81660), (1158, 68050), (1361, 57900), (1930, 40830), (2316, 34025), (2722, 28950), (2895, 27220), (3860, 20415), (4083, 19300), (4825, 16332), (5444, 14475), (5790, 13610), (6805, 11580), (8166, 9650)]