123394740

素因数分解:

$2^2\times 3^1\times 5^1\times 7^2\times {\mathrm{19}}^1\times {\mathrm{47}}^2$

素因数の和:139

約数の個数: 216

約数和(自身を含む): 432260640

約数和(自身を除く): 308865900

約数列:

[1, 2, 3, 4, 5, 6, 7, 10, 12, 14, 15, 19, 20, 21, 28, 30, 35, 38, 42, 47, 49, 57, 60, 70, 76, 84, 94, 95, 98, 105, 114, 133, 140, 141, 147, 188, 190, 196, 210, 228, 235, 245, 266, 282, 285, 294, 329, 380, 399, 420, 470, 490, 532, 564, 570, 588, 658, 665, 705, 735, 798, 893, 931, 940, 980, 987, 1140, 1316, 1330, 1410, 1470, 1596, 1645, 1786, 1862, 1974, 1995, 2209, 2303, 2660, 2679, 2793, 2820, 2940, 3290, 3572, 3724, 3948, 3990, 4418, 4465, 4606, 4655, 4935, 5358, 5586, 6251, 6580, 6627, 6909, 7980, 8836, 8930, 9212, 9310, 9870, 10716, 11045, 11172, 11515, 12502, 13254, 13395, 13818, 13965, 15463, 17860, 18620, 18753, 19740, 22090, 23030, 25004, 26508, 26790, 27636, 27930, 30926, 31255, 33135, 34545, 37506, 41971, 43757, 44180, 46060, 46389, 53580, 55860, 61852, 62510, 66270, 69090, 75012, 77315, 83942, 87514, 92778, 93765, 108241, 125020, 125913, 131271, 132540, 138180, 154630, 167884, 175028, 185556, 187530, 209855, 216482, 218785, 231945, 251826, 262542, 293797, 309260, 324723, 375060, 419710, 432964, 437570, 463890, 503652, 525084, 541205, 587594, 629565, 649446, 656355, 839420, 875140, 881391, 927780, 1082410, 1175188, 1259130, 1298892, 1312710, 1468985, 1623615, 1762782, 2056579, 2164820, 2518260, 2625420, 2937970, 3247230, 3525564, 4113158, 4406955, 5875940, 6169737, 6494460, 8226316, 8813910, 10282895, 12339474, 17627820, 20565790, 24678948, 30848685, 41131580, 61697370, 123394740]

約数ペア:

[(1, 123394740), (2, 61697370), (3, 41131580), (4, 30848685), (5, 24678948), (6, 20565790), (7, 17627820), (10, 12339474), (12, 10282895), (14, 8813910), (15, 8226316), (19, 6494460), (20, 6169737), (21, 5875940), (28, 4406955), (30, 4113158), (35, 3525564), (38, 3247230), (42, 2937970), (47, 2625420), (49, 2518260), (57, 2164820), (60, 2056579), (70, 1762782), (76, 1623615), (84, 1468985), (94, 1312710), (95, 1298892), (98, 1259130), (105, 1175188), (114, 1082410), (133, 927780), (140, 881391), (141, 875140), (147, 839420), (188, 656355), (190, 649446), (196, 629565), (210, 587594), (228, 541205), (235, 525084), (245, 503652), (266, 463890), (282, 437570), (285, 432964), (294, 419710), (329, 375060), (380, 324723), (399, 309260), (420, 293797), (470, 262542), (490, 251826), (532, 231945), (564, 218785), (570, 216482), (588, 209855), (658, 187530), (665, 185556), (705, 175028), (735, 167884), (798, 154630), (893, 138180), (931, 132540), (940, 131271), (980, 125913), (987, 125020), (1140, 108241), (1316, 93765), (1330, 92778), (1410, 87514), (1470, 83942), (1596, 77315), (1645, 75012), (1786, 69090), (1862, 66270), (1974, 62510), (1995, 61852), (2209, 55860), (2303, 53580), (2660, 46389), (2679, 46060), (2793, 44180), (2820, 43757), (2940, 41971), (3290, 37506), (3572, 34545), (3724, 33135), (3948, 31255), (3990, 30926), (4418, 27930), (4465, 27636), (4606, 26790), (4655, 26508), (4935, 25004), (5358, 23030), (5586, 22090), (6251, 19740), (6580, 18753), (6627, 18620), (6909, 17860), (7980, 15463), (8836, 13965), (8930, 13818), (9212, 13395), (9310, 13254), (9870, 12502), (10716, 11515), (11045, 11172)]