245210940

素因数分解:

$2^2\times 3^2\times 5^1\times {\mathrm{13}}^1\times {\mathrm{43}}^1\times {\mathrm{2437}}^1$

素因数の和:2508

約数の個数: 144

約数和(自身を含む): 819987168

約数和(自身を除く): 574776228

約数列:

[1, 2, 3, 4, 5, 6, 9, 10, 12, 13, 15, 18, 20, 26, 30, 36, 39, 43, 45, 52, 60, 65, 78, 86, 90, 117, 129, 130, 156, 172, 180, 195, 215, 234, 258, 260, 387, 390, 430, 468, 516, 559, 585, 645, 774, 780, 860, 1118, 1170, 1290, 1548, 1677, 1935, 2236, 2340, 2437, 2580, 2795, 3354, 3870, 4874, 5031, 5590, 6708, 7311, 7740, 8385, 9748, 10062, 11180, 12185, 14622, 16770, 20124, 21933, 24370, 25155, 29244, 31681, 33540, 36555, 43866, 48740, 50310, 63362, 73110, 87732, 95043, 100620, 104791, 109665, 126724, 146220, 158405, 190086, 209582, 219330, 285129, 314373, 316810, 380172, 419164, 438660, 475215, 523955, 570258, 628746, 633620, 943119, 950430, 1047910, 1140516, 1257492, 1362283, 1425645, 1571865, 1886238, 1900860, 2095820, 2724566, 2851290, 3143730, 3772476, 4086849, 4715595, 5449132, 5702580, 6287460, 6811415, 8173698, 9431190, 12260547, 13622830, 16347396, 18862380, 20434245, 24521094, 27245660, 40868490, 49042188, 61302735, 81736980, 122605470, 245210940]

約数ペア:

[(1, 245210940), (2, 122605470), (3, 81736980), (4, 61302735), (5, 49042188), (6, 40868490), (9, 27245660), (10, 24521094), (12, 20434245), (13, 18862380), (15, 16347396), (18, 13622830), (20, 12260547), (26, 9431190), (30, 8173698), (36, 6811415), (39, 6287460), (43, 5702580), (45, 5449132), (52, 4715595), (60, 4086849), (65, 3772476), (78, 3143730), (86, 2851290), (90, 2724566), (117, 2095820), (129, 1900860), (130, 1886238), (156, 1571865), (172, 1425645), (180, 1362283), (195, 1257492), (215, 1140516), (234, 1047910), (258, 950430), (260, 943119), (387, 633620), (390, 628746), (430, 570258), (468, 523955), (516, 475215), (559, 438660), (585, 419164), (645, 380172), (774, 316810), (780, 314373), (860, 285129), (1118, 219330), (1170, 209582), (1290, 190086), (1548, 158405), (1677, 146220), (1935, 126724), (2236, 109665), (2340, 104791), (2437, 100620), (2580, 95043), (2795, 87732), (3354, 73110), (3870, 63362), (4874, 50310), (5031, 48740), (5590, 43866), (6708, 36555), (7311, 33540), (7740, 31681), (8385, 29244), (9748, 25155), (10062, 24370), (11180, 21933), (12185, 20124), (14622, 16770)]