123238920

素因数分解:

$2^3\times 3^1\times 5^1\times 7^2\times {\mathrm{20959}}^1$

素因数の和:20987

約数の個数: 96

約数和(自身を含む): 430099200

約数和(自身を除く): 306860280

約数列:

[1, 2, 3, 4, 5, 6, 7, 8, 10, 12, 14, 15, 20, 21, 24, 28, 30, 35, 40, 42, 49, 56, 60, 70, 84, 98, 105, 120, 140, 147, 168, 196, 210, 245, 280, 294, 392, 420, 490, 588, 735, 840, 980, 1176, 1470, 1960, 2940, 5880, 20959, 41918, 62877, 83836, 104795, 125754, 146713, 167672, 209590, 251508, 293426, 314385, 419180, 440139, 503016, 586852, 628770, 733565, 838360, 880278, 1026991, 1173704, 1257540, 1467130, 1760556, 2053982, 2200695, 2515080, 2934260, 3080973, 3521112, 4107964, 4401390, 5134955, 5868520, 6161946, 8215928, 8802780, 10269910, 12323892, 15404865, 17605560, 20539820, 24647784, 30809730, 41079640, 61619460, 123238920]

約数ペア:

[(1, 123238920), (2, 61619460), (3, 41079640), (4, 30809730), (5, 24647784), (6, 20539820), (7, 17605560), (8, 15404865), (10, 12323892), (12, 10269910), (14, 8802780), (15, 8215928), (20, 6161946), (21, 5868520), (24, 5134955), (28, 4401390), (30, 4107964), (35, 3521112), (40, 3080973), (42, 2934260), (49, 2515080), (56, 2200695), (60, 2053982), (70, 1760556), (84, 1467130), (98, 1257540), (105, 1173704), (120, 1026991), (140, 880278), (147, 838360), (168, 733565), (196, 628770), (210, 586852), (245, 503016), (280, 440139), (294, 419180), (392, 314385), (420, 293426), (490, 251508), (588, 209590), (735, 167672), (840, 146713), (980, 125754), (1176, 104795), (1470, 83836), (1960, 62877), (2940, 41918), (5880, 20959)]