123341540

素因数分解:

$2^2\times 5^1\times 7^1\times {\mathrm{19}}^1\times {\mathrm{89}}^1\times {\mathrm{521}}^1$

素因数の和:645

約数の個数: 96

約数和(自身を含む): 315705600

約数和(自身を除く): 192364060

約数列:

[1, 2, 4, 5, 7, 10, 14, 19, 20, 28, 35, 38, 70, 76, 89, 95, 133, 140, 178, 190, 266, 356, 380, 445, 521, 532, 623, 665, 890, 1042, 1246, 1330, 1691, 1780, 2084, 2492, 2605, 2660, 3115, 3382, 3647, 5210, 6230, 6764, 7294, 8455, 9899, 10420, 11837, 12460, 14588, 16910, 18235, 19798, 23674, 33820, 36470, 39596, 46369, 47348, 49495, 59185, 69293, 72940, 92738, 98990, 118370, 138586, 185476, 197980, 231845, 236740, 277172, 324583, 346465, 463690, 649166, 692930, 881011, 927380, 1298332, 1385860, 1622915, 1762022, 3245830, 3524044, 4405055, 6167077, 6491660, 8810110, 12334154, 17620220, 24668308, 30835385, 61670770, 123341540]

約数ペア:

[(1, 123341540), (2, 61670770), (4, 30835385), (5, 24668308), (7, 17620220), (10, 12334154), (14, 8810110), (19, 6491660), (20, 6167077), (28, 4405055), (35, 3524044), (38, 3245830), (70, 1762022), (76, 1622915), (89, 1385860), (95, 1298332), (133, 927380), (140, 881011), (178, 692930), (190, 649166), (266, 463690), (356, 346465), (380, 324583), (445, 277172), (521, 236740), (532, 231845), (623, 197980), (665, 185476), (890, 138586), (1042, 118370), (1246, 98990), (1330, 92738), (1691, 72940), (1780, 69293), (2084, 59185), (2492, 49495), (2605, 47348), (2660, 46369), (3115, 39596), (3382, 36470), (3647, 33820), (5210, 23674), (6230, 19798), (6764, 18235), (7294, 16910), (8455, 14588), (9899, 12460), (10420, 11837)]