161611380

素因数分解:

$2^2\times 3^2\times 5^1\times 7^1\times {\mathrm{47}}^1\times {\mathrm{2729}}^1$

素因数の和:2798

約数の個数: 144

約数和(自身を含む): 572382720

約数和(自身を除く): 410771340

約数列:

[1, 2, 3, 4, 5, 6, 7, 9, 10, 12, 14, 15, 18, 20, 21, 28, 30, 35, 36, 42, 45, 47, 60, 63, 70, 84, 90, 94, 105, 126, 140, 141, 180, 188, 210, 235, 252, 282, 315, 329, 420, 423, 470, 564, 630, 658, 705, 846, 940, 987, 1260, 1316, 1410, 1645, 1692, 1974, 2115, 2729, 2820, 2961, 3290, 3948, 4230, 4935, 5458, 5922, 6580, 8187, 8460, 9870, 10916, 11844, 13645, 14805, 16374, 19103, 19740, 24561, 27290, 29610, 32748, 38206, 40935, 49122, 54580, 57309, 59220, 76412, 81870, 95515, 98244, 114618, 122805, 128263, 163740, 171927, 191030, 229236, 245610, 256526, 286545, 343854, 382060, 384789, 491220, 513052, 573090, 641315, 687708, 769578, 859635, 897841, 1146180, 1154367, 1282630, 1539156, 1719270, 1795682, 1923945, 2308734, 2565260, 2693523, 3438540, 3591364, 3847890, 4489205, 4617468, 5387046, 5771835, 7695780, 8080569, 8978410, 10774092, 11543670, 13467615, 16161138, 17956820, 23087340, 26935230, 32322276, 40402845, 53870460, 80805690, 161611380]

約数ペア:

[(1, 161611380), (2, 80805690), (3, 53870460), (4, 40402845), (5, 32322276), (6, 26935230), (7, 23087340), (9, 17956820), (10, 16161138), (12, 13467615), (14, 11543670), (15, 10774092), (18, 8978410), (20, 8080569), (21, 7695780), (28, 5771835), (30, 5387046), (35, 4617468), (36, 4489205), (42, 3847890), (45, 3591364), (47, 3438540), (60, 2693523), (63, 2565260), (70, 2308734), (84, 1923945), (90, 1795682), (94, 1719270), (105, 1539156), (126, 1282630), (140, 1154367), (141, 1146180), (180, 897841), (188, 859635), (210, 769578), (235, 687708), (252, 641315), (282, 573090), (315, 513052), (329, 491220), (420, 384789), (423, 382060), (470, 343854), (564, 286545), (630, 256526), (658, 245610), (705, 229236), (846, 191030), (940, 171927), (987, 163740), (1260, 128263), (1316, 122805), (1410, 114618), (1645, 98244), (1692, 95515), (1974, 81870), (2115, 76412), (2729, 59220), (2820, 57309), (2961, 54580), (3290, 49122), (3948, 40935), (4230, 38206), (4935, 32748), (5458, 29610), (5922, 27290), (6580, 24561), (8187, 19740), (8460, 19103), (9870, 16374), (10916, 14805), (11844, 13645)]