20210418900

素因数分解:

$2^2\times 3^2\times 5^2\times 7^1\times {\mathrm{163}}^1\times {\mathrm{19681}}^1$

素因数の和:19871

約数の個数: 216

約数和(自身を含む): 72846073664

約数和(自身を除く): 52635654764

約数列:

[1, 2, 3, 4, 5, 6, 7, 9, 10, 12, 14, 15, 18, 20, 21, 25, 28, 30, 35, 36, 42, 45, 50, 60, 63, 70, 75, 84, 90, 100, 105, 126, 140, 150, 163, 175, 180, 210, 225, 252, 300, 315, 326, 350, 420, 450, 489, 525, 630, 652, 700, 815, 900, 978, 1050, 1141, 1260, 1467, 1575, 1630, 1956, 2100, 2282, 2445, 2934, 3150, 3260, 3423, 4075, 4564, 4890, 5705, 5868, 6300, 6846, 7335, 8150, 9780, 10269, 11410, 12225, 13692, 14670, 16300, 17115, 19681, 20538, 22820, 24450, 28525, 29340, 34230, 36675, 39362, 41076, 48900, 51345, 57050, 59043, 68460, 73350, 78724, 85575, 98405, 102690, 114100, 118086, 137767, 146700, 171150, 177129, 196810, 205380, 236172, 256725, 275534, 295215, 342300, 354258, 393620, 413301, 492025, 513450, 551068, 590430, 688835, 708516, 826602, 885645, 984050, 1026900, 1180860, 1239903, 1377670, 1476075, 1653204, 1771290, 1968100, 2066505, 2479806, 2755340, 2952150, 3208003, 3444175, 3542580, 4133010, 4428225, 4959612, 5904300, 6199515, 6416006, 6888350, 8266020, 8856450, 9624009, 10332525, 12399030, 12832012, 13776700, 16040015, 17712900, 19248018, 20665050, 22456021, 24798060, 28872027, 30997575, 32080030, 38496036, 41330100, 44912042, 48120045, 57744054, 61995150, 64160060, 67368063, 80200075, 89824084, 96240090, 112280105, 115488108, 123990300, 134736126, 144360135, 160400150, 192480180, 202104189, 224560210, 240600225, 269472252, 288720270, 320800300, 336840315, 404208378, 449120420, 481200450, 561400525, 577440540, 673680630, 721800675, 808416756, 962400900, 1010520945, 1122801050, 1347361260, 1443601350, 1684201575, 2021041890, 2245602100, 2887202700, 3368403150, 4042083780, 5052604725, 6736806300, 10105209450, 20210418900]

約数ペア:

[(1, 20210418900), (2, 10105209450), (3, 6736806300), (4, 5052604725), (5, 4042083780), (6, 3368403150), (7, 2887202700), (9, 2245602100), (10, 2021041890), (12, 1684201575), (14, 1443601350), (15, 1347361260), (18, 1122801050), (20, 1010520945), (21, 962400900), (25, 808416756), (28, 721800675), (30, 673680630), (35, 577440540), (36, 561400525), (42, 481200450), (45, 449120420), (50, 404208378), (60, 336840315), (63, 320800300), (70, 288720270), (75, 269472252), (84, 240600225), (90, 224560210), (100, 202104189), (105, 192480180), (126, 160400150), (140, 144360135), (150, 134736126), (163, 123990300), (175, 115488108), (180, 112280105), (210, 96240090), (225, 89824084), (252, 80200075), (300, 67368063), (315, 64160060), (326, 61995150), (350, 57744054), (420, 48120045), (450, 44912042), (489, 41330100), (525, 38496036), (630, 32080030), (652, 30997575), (700, 28872027), (815, 24798060), (900, 22456021), (978, 20665050), (1050, 19248018), (1141, 17712900), (1260, 16040015), (1467, 13776700), (1575, 12832012), (1630, 12399030), (1956, 10332525), (2100, 9624009), (2282, 8856450), (2445, 8266020), (2934, 6888350), (3150, 6416006), (3260, 6199515), (3423, 5904300), (4075, 4959612), (4564, 4428225), (4890, 4133010), (5705, 3542580), (5868, 3444175), (6300, 3208003), (6846, 2952150), (7335, 2755340), (8150, 2479806), (9780, 2066505), (10269, 1968100), (11410, 1771290), (12225, 1653204), (13692, 1476075), (14670, 1377670), (16300, 1239903), (17115, 1180860), (19681, 1026900), (20538, 984050), (22820, 885645), (24450, 826602), (28525, 708516), (29340, 688835), (34230, 590430), (36675, 551068), (39362, 513450), (41076, 492025), (48900, 413301), (51345, 393620), (57050, 354258), (59043, 342300), (68460, 295215), (73350, 275534), (78724, 256725), (85575, 236172), (98405, 205380), (102690, 196810), (114100, 177129), (118086, 171150), (137767, 146700)]