40440120

素因数分解:

$2^3\times 3^1\times 5^1\times 7^1\times {\mathrm{31}}^1\times {\mathrm{1553}}^1$

素因数の和:1605

約数の個数: 128

約数和(自身を含む): 143216640

約数和(自身を除く): 102776520

約数列:

[1, 2, 3, 4, 5, 6, 7, 8, 10, 12, 14, 15, 20, 21, 24, 28, 30, 31, 35, 40, 42, 56, 60, 62, 70, 84, 93, 105, 120, 124, 140, 155, 168, 186, 210, 217, 248, 280, 310, 372, 420, 434, 465, 620, 651, 744, 840, 868, 930, 1085, 1240, 1302, 1553, 1736, 1860, 2170, 2604, 3106, 3255, 3720, 4340, 4659, 5208, 6212, 6510, 7765, 8680, 9318, 10871, 12424, 13020, 15530, 18636, 21742, 23295, 26040, 31060, 32613, 37272, 43484, 46590, 48143, 54355, 62120, 65226, 86968, 93180, 96286, 108710, 130452, 144429, 163065, 186360, 192572, 217420, 240715, 260904, 288858, 326130, 337001, 385144, 434840, 481430, 577716, 652260, 674002, 722145, 962860, 1011003, 1155432, 1304520, 1348004, 1444290, 1685005, 1925720, 2022006, 2696008, 2888580, 3370010, 4044012, 5055015, 5777160, 6740020, 8088024, 10110030, 13480040, 20220060, 40440120]

約数ペア:

[(1, 40440120), (2, 20220060), (3, 13480040), (4, 10110030), (5, 8088024), (6, 6740020), (7, 5777160), (8, 5055015), (10, 4044012), (12, 3370010), (14, 2888580), (15, 2696008), (20, 2022006), (21, 1925720), (24, 1685005), (28, 1444290), (30, 1348004), (31, 1304520), (35, 1155432), (40, 1011003), (42, 962860), (56, 722145), (60, 674002), (62, 652260), (70, 577716), (84, 481430), (93, 434840), (105, 385144), (120, 337001), (124, 326130), (140, 288858), (155, 260904), (168, 240715), (186, 217420), (210, 192572), (217, 186360), (248, 163065), (280, 144429), (310, 130452), (372, 108710), (420, 96286), (434, 93180), (465, 86968), (620, 65226), (651, 62120), (744, 54355), (840, 48143), (868, 46590), (930, 43484), (1085, 37272), (1240, 32613), (1302, 31060), (1553, 26040), (1736, 23295), (1860, 21742), (2170, 18636), (2604, 15530), (3106, 13020), (3255, 12424), (3720, 10871), (4340, 9318), (4659, 8680), (5208, 7765), (6212, 6510)]