340315520

素因数分解:

$2^7\times 5^1\times {\mathrm{17}}^1\times {\mathrm{31}}^1\times {\mathrm{1009}}^1$

素因数の和:1076

約数の個数: 128

約数和(自身を含む): 890092800

約数和(自身を除く): 549777280

約数列:

[1, 2, 4, 5, 8, 10, 16, 17, 20, 31, 32, 34, 40, 62, 64, 68, 80, 85, 124, 128, 136, 155, 160, 170, 248, 272, 310, 320, 340, 496, 527, 544, 620, 640, 680, 992, 1009, 1054, 1088, 1240, 1360, 1984, 2018, 2108, 2176, 2480, 2635, 2720, 3968, 4036, 4216, 4960, 5045, 5270, 5440, 8072, 8432, 9920, 10090, 10540, 10880, 16144, 16864, 17153, 19840, 20180, 21080, 31279, 32288, 33728, 34306, 40360, 42160, 62558, 64576, 67456, 68612, 80720, 84320, 85765, 125116, 129152, 137224, 156395, 161440, 168640, 171530, 250232, 274448, 312790, 322880, 337280, 343060, 500464, 531743, 548896, 625580, 645760, 686120, 1000928, 1063486, 1097792, 1251160, 1372240, 2001856, 2126972, 2195584, 2502320, 2658715, 2744480, 4003712, 4253944, 5004640, 5317430, 5488960, 8507888, 10009280, 10634860, 10977920, 17015776, 20018560, 21269720, 34031552, 42539440, 68063104, 85078880, 170157760, 340315520]

約数ペア:

[(1, 340315520), (2, 170157760), (4, 85078880), (5, 68063104), (8, 42539440), (10, 34031552), (16, 21269720), (17, 20018560), (20, 17015776), (31, 10977920), (32, 10634860), (34, 10009280), (40, 8507888), (62, 5488960), (64, 5317430), (68, 5004640), (80, 4253944), (85, 4003712), (124, 2744480), (128, 2658715), (136, 2502320), (155, 2195584), (160, 2126972), (170, 2001856), (248, 1372240), (272, 1251160), (310, 1097792), (320, 1063486), (340, 1000928), (496, 686120), (527, 645760), (544, 625580), (620, 548896), (640, 531743), (680, 500464), (992, 343060), (1009, 337280), (1054, 322880), (1088, 312790), (1240, 274448), (1360, 250232), (1984, 171530), (2018, 168640), (2108, 161440), (2176, 156395), (2480, 137224), (2635, 129152), (2720, 125116), (3968, 85765), (4036, 84320), (4216, 80720), (4960, 68612), (5045, 67456), (5270, 64576), (5440, 62558), (8072, 42160), (8432, 40360), (9920, 34306), (10090, 33728), (10540, 32288), (10880, 31279), (16144, 21080), (16864, 20180), (17153, 19840)]