81054480

素因数分解:

$2^4\times 3^1\times 5^1\times {\mathrm{13}}^1\times {\mathrm{83}}^1\times {\mathrm{313}}^1$

素因数の和:425

約数の個数: 160

約数和(自身を含む): 274732416

約数和(自身を除く): 193677936

約数列:

[1, 2, 3, 4, 5, 6, 8, 10, 12, 13, 15, 16, 20, 24, 26, 30, 39, 40, 48, 52, 60, 65, 78, 80, 83, 104, 120, 130, 156, 166, 195, 208, 240, 249, 260, 312, 313, 332, 390, 415, 498, 520, 624, 626, 664, 780, 830, 939, 996, 1040, 1079, 1245, 1252, 1328, 1560, 1565, 1660, 1878, 1992, 2158, 2490, 2504, 3120, 3130, 3237, 3320, 3756, 3984, 4069, 4316, 4695, 4980, 5008, 5395, 6260, 6474, 6640, 7512, 8138, 8632, 9390, 9960, 10790, 12207, 12520, 12948, 15024, 16185, 16276, 17264, 18780, 19920, 20345, 21580, 24414, 25040, 25896, 25979, 32370, 32552, 37560, 40690, 43160, 48828, 51792, 51958, 61035, 64740, 65104, 75120, 77937, 81380, 86320, 97656, 103916, 122070, 129480, 129895, 155874, 162760, 195312, 207832, 244140, 258960, 259790, 311748, 325520, 337727, 389685, 415664, 488280, 519580, 623496, 675454, 779370, 976560, 1013181, 1039160, 1246992, 1350908, 1558740, 1688635, 2026362, 2078320, 2701816, 3117480, 3377270, 4052724, 5065905, 5403632, 6234960, 6754540, 8105448, 10131810, 13509080, 16210896, 20263620, 27018160, 40527240, 81054480]

約数ペア:

[(1, 81054480), (2, 40527240), (3, 27018160), (4, 20263620), (5, 16210896), (6, 13509080), (8, 10131810), (10, 8105448), (12, 6754540), (13, 6234960), (15, 5403632), (16, 5065905), (20, 4052724), (24, 3377270), (26, 3117480), (30, 2701816), (39, 2078320), (40, 2026362), (48, 1688635), (52, 1558740), (60, 1350908), (65, 1246992), (78, 1039160), (80, 1013181), (83, 976560), (104, 779370), (120, 675454), (130, 623496), (156, 519580), (166, 488280), (195, 415664), (208, 389685), (240, 337727), (249, 325520), (260, 311748), (312, 259790), (313, 258960), (332, 244140), (390, 207832), (415, 195312), (498, 162760), (520, 155874), (624, 129895), (626, 129480), (664, 122070), (780, 103916), (830, 97656), (939, 86320), (996, 81380), (1040, 77937), (1079, 75120), (1245, 65104), (1252, 64740), (1328, 61035), (1560, 51958), (1565, 51792), (1660, 48828), (1878, 43160), (1992, 40690), (2158, 37560), (2490, 32552), (2504, 32370), (3120, 25979), (3130, 25896), (3237, 25040), (3320, 24414), (3756, 21580), (3984, 20345), (4069, 19920), (4316, 18780), (4695, 17264), (4980, 16276), (5008, 16185), (5395, 15024), (6260, 12948), (6474, 12520), (6640, 12207), (7512, 10790), (8138, 9960), (8632, 9390)]