213421920

素因数分解:

$2^5\times 3^1\times 5^1\times {\mathrm{37}}^1\times {\mathrm{61}}^1\times {\mathrm{197}}^1$

素因数の和:313

約数の個数: 192

約数和(自身を含む): 705329856

約数和(自身を除く): 491907936

約数列:

[1, 2, 3, 4, 5, 6, 8, 10, 12, 15, 16, 20, 24, 30, 32, 37, 40, 48, 60, 61, 74, 80, 96, 111, 120, 122, 148, 160, 183, 185, 197, 222, 240, 244, 296, 305, 366, 370, 394, 444, 480, 488, 555, 591, 592, 610, 732, 740, 788, 888, 915, 976, 985, 1110, 1182, 1184, 1220, 1464, 1480, 1576, 1776, 1830, 1952, 1970, 2220, 2257, 2364, 2440, 2928, 2955, 2960, 3152, 3552, 3660, 3940, 4440, 4514, 4728, 4880, 5856, 5910, 5920, 6304, 6771, 7289, 7320, 7880, 8880, 9028, 9456, 9760, 11285, 11820, 12017, 13542, 14578, 14640, 15760, 17760, 18056, 18912, 21867, 22570, 23640, 24034, 27084, 29156, 29280, 31520, 33855, 36051, 36112, 36445, 43734, 45140, 47280, 48068, 54168, 58312, 60085, 67710, 72102, 72224, 72890, 87468, 90280, 94560, 96136, 108336, 109335, 116624, 120170, 135420, 144204, 145780, 174936, 180255, 180560, 192272, 216672, 218670, 233248, 240340, 270840, 288408, 291560, 349872, 360510, 361120, 384544, 437340, 444629, 480680, 541680, 576816, 583120, 699744, 721020, 874680, 889258, 961360, 1083360, 1153632, 1166240, 1333887, 1442040, 1749360, 1778516, 1922720, 2223145, 2667774, 2884080, 3498720, 3557032, 4446290, 5335548, 5768160, 6669435, 7114064, 8892580, 10671096, 13338870, 14228128, 17785160, 21342192, 26677740, 35570320, 42684384, 53355480, 71140640, 106710960, 213421920]

約数ペア:

[(1, 213421920), (2, 106710960), (3, 71140640), (4, 53355480), (5, 42684384), (6, 35570320), (8, 26677740), (10, 21342192), (12, 17785160), (15, 14228128), (16, 13338870), (20, 10671096), (24, 8892580), (30, 7114064), (32, 6669435), (37, 5768160), (40, 5335548), (48, 4446290), (60, 3557032), (61, 3498720), (74, 2884080), (80, 2667774), (96, 2223145), (111, 1922720), (120, 1778516), (122, 1749360), (148, 1442040), (160, 1333887), (183, 1166240), (185, 1153632), (197, 1083360), (222, 961360), (240, 889258), (244, 874680), (296, 721020), (305, 699744), (366, 583120), (370, 576816), (394, 541680), (444, 480680), (480, 444629), (488, 437340), (555, 384544), (591, 361120), (592, 360510), (610, 349872), (732, 291560), (740, 288408), (788, 270840), (888, 240340), (915, 233248), (976, 218670), (985, 216672), (1110, 192272), (1182, 180560), (1184, 180255), (1220, 174936), (1464, 145780), (1480, 144204), (1576, 135420), (1776, 120170), (1830, 116624), (1952, 109335), (1970, 108336), (2220, 96136), (2257, 94560), (2364, 90280), (2440, 87468), (2928, 72890), (2955, 72224), (2960, 72102), (3152, 67710), (3552, 60085), (3660, 58312), (3940, 54168), (4440, 48068), (4514, 47280), (4728, 45140), (4880, 43734), (5856, 36445), (5910, 36112), (5920, 36051), (6304, 33855), (6771, 31520), (7289, 29280), (7320, 29156), (7880, 27084), (8880, 24034), (9028, 23640), (9456, 22570), (9760, 21867), (11285, 18912), (11820, 18056), (12017, 17760), (13542, 15760), (14578, 14640)]