30921840

素因数分解:

$2^4\times 3^2\times 5^1\times {\mathrm{67}}^1\times {\mathrm{641}}^1$

素因数の和:727

約数の個数: 120

約数和(自身を含む): 105560208

約数和(自身を除く): 74638368

約数列:

[1, 2, 3, 4, 5, 6, 8, 9, 10, 12, 15, 16, 18, 20, 24, 30, 36, 40, 45, 48, 60, 67, 72, 80, 90, 120, 134, 144, 180, 201, 240, 268, 335, 360, 402, 536, 603, 641, 670, 720, 804, 1005, 1072, 1206, 1282, 1340, 1608, 1923, 2010, 2412, 2564, 2680, 3015, 3205, 3216, 3846, 4020, 4824, 5128, 5360, 5769, 6030, 6410, 7692, 8040, 9615, 9648, 10256, 11538, 12060, 12820, 15384, 16080, 19230, 23076, 24120, 25640, 28845, 30768, 38460, 42947, 46152, 48240, 51280, 57690, 76920, 85894, 92304, 115380, 128841, 153840, 171788, 214735, 230760, 257682, 343576, 386523, 429470, 461520, 515364, 644205, 687152, 773046, 858940, 1030728, 1288410, 1546092, 1717880, 1932615, 2061456, 2576820, 3092184, 3435760, 3865230, 5153640, 6184368, 7730460, 10307280, 15460920, 30921840]

約数ペア:

[(1, 30921840), (2, 15460920), (3, 10307280), (4, 7730460), (5, 6184368), (6, 5153640), (8, 3865230), (9, 3435760), (10, 3092184), (12, 2576820), (15, 2061456), (16, 1932615), (18, 1717880), (20, 1546092), (24, 1288410), (30, 1030728), (36, 858940), (40, 773046), (45, 687152), (48, 644205), (60, 515364), (67, 461520), (72, 429470), (80, 386523), (90, 343576), (120, 257682), (134, 230760), (144, 214735), (180, 171788), (201, 153840), (240, 128841), (268, 115380), (335, 92304), (360, 85894), (402, 76920), (536, 57690), (603, 51280), (641, 48240), (670, 46152), (720, 42947), (804, 38460), (1005, 30768), (1072, 28845), (1206, 25640), (1282, 24120), (1340, 23076), (1608, 19230), (1923, 16080), (2010, 15384), (2412, 12820), (2564, 12060), (2680, 11538), (3015, 10256), (3205, 9648), (3216, 9615), (3846, 8040), (4020, 7692), (4824, 6410), (5128, 6030), (5360, 5769)]