21228616800

素因数分解:

$2^5\times 3^2\times 5^2\times {\mathrm{37}}^1\times {\mathrm{79687}}^1$

素因数の和:79750

約数の個数: 216

約数和(自身を含む): 76881548016

約数和(自身を除く): 55652931216

約数列:

[1, 2, 3, 4, 5, 6, 8, 9, 10, 12, 15, 16, 18, 20, 24, 25, 30, 32, 36, 37, 40, 45, 48, 50, 60, 72, 74, 75, 80, 90, 96, 100, 111, 120, 144, 148, 150, 160, 180, 185, 200, 222, 225, 240, 288, 296, 300, 333, 360, 370, 400, 444, 450, 480, 555, 592, 600, 666, 720, 740, 800, 888, 900, 925, 1110, 1184, 1200, 1332, 1440, 1480, 1665, 1776, 1800, 1850, 2220, 2400, 2664, 2775, 2960, 3330, 3552, 3600, 3700, 4440, 5328, 5550, 5920, 6660, 7200, 7400, 8325, 8880, 10656, 11100, 13320, 14800, 16650, 17760, 22200, 26640, 29600, 33300, 44400, 53280, 66600, 79687, 88800, 133200, 159374, 239061, 266400, 318748, 398435, 478122, 637496, 717183, 796870, 956244, 1195305, 1274992, 1434366, 1593740, 1912488, 1992175, 2390610, 2549984, 2868732, 2948419, 3187480, 3585915, 3824976, 3984350, 4781220, 5737464, 5896838, 5976525, 6374960, 7171830, 7649952, 7968700, 8845257, 9562440, 11474928, 11793676, 11953050, 12749920, 14343660, 14742095, 15937400, 17690514, 17929575, 19124880, 22949856, 23587352, 23906100, 26535771, 28687320, 29484190, 31874800, 35381028, 35859150, 38249760, 44226285, 47174704, 47812200, 53071542, 57374640, 58968380, 63749600, 70762056, 71718300, 73710475, 88452570, 94349408, 95624400, 106143084, 114749280, 117936760, 132678855, 141524112, 143436600, 147420950, 176905140, 191248800, 212286168, 221131425, 235873520, 265357710, 283048224, 286873200, 294841900, 353810280, 424572336, 442262850, 471747040, 530715420, 573746400, 589683800, 663394275, 707620560, 849144672, 884525700, 1061430840, 1179367600, 1326788550, 1415241120, 1769051400, 2122861680, 2358735200, 2653577100, 3538102800, 4245723360, 5307154200, 7076205600, 10614308400, 21228616800]

約数ペア:

[(1, 21228616800), (2, 10614308400), (3, 7076205600), (4, 5307154200), (5, 4245723360), (6, 3538102800), (8, 2653577100), (9, 2358735200), (10, 2122861680), (12, 1769051400), (15, 1415241120), (16, 1326788550), (18, 1179367600), (20, 1061430840), (24, 884525700), (25, 849144672), (30, 707620560), (32, 663394275), (36, 589683800), (37, 573746400), (40, 530715420), (45, 471747040), (48, 442262850), (50, 424572336), (60, 353810280), (72, 294841900), (74, 286873200), (75, 283048224), (80, 265357710), (90, 235873520), (96, 221131425), (100, 212286168), (111, 191248800), (120, 176905140), (144, 147420950), (148, 143436600), (150, 141524112), (160, 132678855), (180, 117936760), (185, 114749280), (200, 106143084), (222, 95624400), (225, 94349408), (240, 88452570), (288, 73710475), (296, 71718300), (300, 70762056), (333, 63749600), (360, 58968380), (370, 57374640), (400, 53071542), (444, 47812200), (450, 47174704), (480, 44226285), (555, 38249760), (592, 35859150), (600, 35381028), (666, 31874800), (720, 29484190), (740, 28687320), (800, 26535771), (888, 23906100), (900, 23587352), (925, 22949856), (1110, 19124880), (1184, 17929575), (1200, 17690514), (1332, 15937400), (1440, 14742095), (1480, 14343660), (1665, 12749920), (1776, 11953050), (1800, 11793676), (1850, 11474928), (2220, 9562440), (2400, 8845257), (2664, 7968700), (2775, 7649952), (2960, 7171830), (3330, 6374960), (3552, 5976525), (3600, 5896838), (3700, 5737464), (4440, 4781220), (5328, 3984350), (5550, 3824976), (5920, 3585915), (6660, 3187480), (7200, 2948419), (7400, 2868732), (8325, 2549984), (8880, 2390610), (10656, 1992175), (11100, 1912488), (13320, 1593740), (14800, 1434366), (16650, 1274992), (17760, 1195305), (22200, 956244), (26640, 796870), (29600, 717183), (33300, 637496), (44400, 478122), (53280, 398435), (66600, 318748), (79687, 266400), (88800, 239061), (133200, 159374)]