21890534040

素因数分解:

$2^3\times 3^3\times 5^1\times {\mathrm{137}}^1\times {\mathrm{147949}}^1$

素因数の和:148106

約数の個数: 128

約数和(自身を含む): 73501560000

約数和(自身を除く): 51611025960

約数列:

[1, 2, 3, 4, 5, 6, 8, 9, 10, 12, 15, 18, 20, 24, 27, 30, 36, 40, 45, 54, 60, 72, 90, 108, 120, 135, 137, 180, 216, 270, 274, 360, 411, 540, 548, 685, 822, 1080, 1096, 1233, 1370, 1644, 2055, 2466, 2740, 3288, 3699, 4110, 4932, 5480, 6165, 7398, 8220, 9864, 12330, 14796, 16440, 18495, 24660, 29592, 36990, 49320, 73980, 147949, 147960, 295898, 443847, 591796, 739745, 887694, 1183592, 1331541, 1479490, 1775388, 2219235, 2663082, 2958980, 3550776, 3994623, 4438470, 5326164, 5917960, 6657705, 7989246, 8876940, 10652328, 13315410, 15978492, 17753880, 19973115, 20269013, 26630820, 31956984, 39946230, 40538026, 53261640, 60807039, 79892460, 81076052, 101345065, 121614078, 159784920, 162152104, 182421117, 202690130, 243228156, 304035195, 364842234, 405380260, 486456312, 547263351, 608070390, 729684468, 810760520, 912105585, 1094526702, 1216140780, 1459368936, 1824211170, 2189053404, 2432281560, 2736316755, 3648422340, 4378106808, 5472633510, 7296844680, 10945267020, 21890534040]

約数ペア:

[(1, 21890534040), (2, 10945267020), (3, 7296844680), (4, 5472633510), (5, 4378106808), (6, 3648422340), (8, 2736316755), (9, 2432281560), (10, 2189053404), (12, 1824211170), (15, 1459368936), (18, 1216140780), (20, 1094526702), (24, 912105585), (27, 810760520), (30, 729684468), (36, 608070390), (40, 547263351), (45, 486456312), (54, 405380260), (60, 364842234), (72, 304035195), (90, 243228156), (108, 202690130), (120, 182421117), (135, 162152104), (137, 159784920), (180, 121614078), (216, 101345065), (270, 81076052), (274, 79892460), (360, 60807039), (411, 53261640), (540, 40538026), (548, 39946230), (685, 31956984), (822, 26630820), (1080, 20269013), (1096, 19973115), (1233, 17753880), (1370, 15978492), (1644, 13315410), (2055, 10652328), (2466, 8876940), (2740, 7989246), (3288, 6657705), (3699, 5917960), (4110, 5326164), (4932, 4438470), (5480, 3994623), (6165, 3550776), (7398, 2958980), (8220, 2663082), (9864, 2219235), (12330, 1775388), (14796, 1479490), (16440, 1331541), (18495, 1183592), (24660, 887694), (29592, 739745), (36990, 591796), (49320, 443847), (73980, 295898), (147949, 147960)]