74490780

素因数分解:

$2^2\times 3^1\times 5^1\times 7^2\times {\mathrm{13}}^1\times {\mathrm{1949}}^1$

素因数の和:1988

約数の個数: 144

約数和(自身を含む): 261424800

約数和(自身を除く): 186934020

約数列:

[1, 2, 3, 4, 5, 6, 7, 10, 12, 13, 14, 15, 20, 21, 26, 28, 30, 35, 39, 42, 49, 52, 60, 65, 70, 78, 84, 91, 98, 105, 130, 140, 147, 156, 182, 195, 196, 210, 245, 260, 273, 294, 364, 390, 420, 455, 490, 546, 588, 637, 735, 780, 910, 980, 1092, 1274, 1365, 1470, 1820, 1911, 1949, 2548, 2730, 2940, 3185, 3822, 3898, 5460, 5847, 6370, 7644, 7796, 9555, 9745, 11694, 12740, 13643, 19110, 19490, 23388, 25337, 27286, 29235, 38220, 38980, 40929, 50674, 54572, 58470, 68215, 76011, 81858, 95501, 101348, 116940, 126685, 136430, 152022, 163716, 177359, 191002, 204645, 253370, 272860, 286503, 304044, 354718, 380055, 382004, 409290, 477505, 506740, 532077, 573006, 709436, 760110, 818580, 886795, 955010, 1064154, 1146012, 1241513, 1432515, 1520220, 1773590, 1910020, 2128308, 2483026, 2660385, 2865030, 3547180, 3724539, 4966052, 5320770, 5730060, 6207565, 7449078, 10641540, 12415130, 14898156, 18622695, 24830260, 37245390, 74490780]

約数ペア:

[(1, 74490780), (2, 37245390), (3, 24830260), (4, 18622695), (5, 14898156), (6, 12415130), (7, 10641540), (10, 7449078), (12, 6207565), (13, 5730060), (14, 5320770), (15, 4966052), (20, 3724539), (21, 3547180), (26, 2865030), (28, 2660385), (30, 2483026), (35, 2128308), (39, 1910020), (42, 1773590), (49, 1520220), (52, 1432515), (60, 1241513), (65, 1146012), (70, 1064154), (78, 955010), (84, 886795), (91, 818580), (98, 760110), (105, 709436), (130, 573006), (140, 532077), (147, 506740), (156, 477505), (182, 409290), (195, 382004), (196, 380055), (210, 354718), (245, 304044), (260, 286503), (273, 272860), (294, 253370), (364, 204645), (390, 191002), (420, 177359), (455, 163716), (490, 152022), (546, 136430), (588, 126685), (637, 116940), (735, 101348), (780, 95501), (910, 81858), (980, 76011), (1092, 68215), (1274, 58470), (1365, 54572), (1470, 50674), (1820, 40929), (1911, 38980), (1949, 38220), (2548, 29235), (2730, 27286), (2940, 25337), (3185, 23388), (3822, 19490), (3898, 19110), (5460, 13643), (5847, 12740), (6370, 11694), (7644, 9745), (7796, 9555)]