15981000

素因数分解:

$2^3\times 3^1\times 5^3\times 7^1\times {\mathrm{761}}^1$

素因数の和:792

約数の個数: 128

約数和(自身を含む): 57058560

約数和(自身を除く): 41077560

約数列:

[1, 2, 3, 4, 5, 6, 7, 8, 10, 12, 14, 15, 20, 21, 24, 25, 28, 30, 35, 40, 42, 50, 56, 60, 70, 75, 84, 100, 105, 120, 125, 140, 150, 168, 175, 200, 210, 250, 280, 300, 350, 375, 420, 500, 525, 600, 700, 750, 761, 840, 875, 1000, 1050, 1400, 1500, 1522, 1750, 2100, 2283, 2625, 3000, 3044, 3500, 3805, 4200, 4566, 5250, 5327, 6088, 7000, 7610, 9132, 10500, 10654, 11415, 15220, 15981, 18264, 19025, 21000, 21308, 22830, 26635, 30440, 31962, 38050, 42616, 45660, 53270, 57075, 63924, 76100, 79905, 91320, 95125, 106540, 114150, 127848, 133175, 152200, 159810, 190250, 213080, 228300, 266350, 285375, 319620, 380500, 399525, 456600, 532700, 570750, 639240, 665875, 761000, 799050, 1065400, 1141500, 1331750, 1598100, 1997625, 2283000, 2663500, 3196200, 3995250, 5327000, 7990500, 15981000]

約数ペア:

[(1, 15981000), (2, 7990500), (3, 5327000), (4, 3995250), (5, 3196200), (6, 2663500), (7, 2283000), (8, 1997625), (10, 1598100), (12, 1331750), (14, 1141500), (15, 1065400), (20, 799050), (21, 761000), (24, 665875), (25, 639240), (28, 570750), (30, 532700), (35, 456600), (40, 399525), (42, 380500), (50, 319620), (56, 285375), (60, 266350), (70, 228300), (75, 213080), (84, 190250), (100, 159810), (105, 152200), (120, 133175), (125, 127848), (140, 114150), (150, 106540), (168, 95125), (175, 91320), (200, 79905), (210, 76100), (250, 63924), (280, 57075), (300, 53270), (350, 45660), (375, 42616), (420, 38050), (500, 31962), (525, 30440), (600, 26635), (700, 22830), (750, 21308), (761, 21000), (840, 19025), (875, 18264), (1000, 15981), (1050, 15220), (1400, 11415), (1500, 10654), (1522, 10500), (1750, 9132), (2100, 7610), (2283, 7000), (2625, 6088), (3000, 5327), (3044, 5250), (3500, 4566), (3805, 4200)]