231489440

素因数分解:

$2^5\times 5^1\times 7^1\times {\mathrm{13}}^2\times {\mathrm{1223}}^1$

素因数の和:1271

約数の個数: 144

約数和(自身を含む): 677351808

約数和(自身を除く): 445862368

約数列:

[1, 2, 4, 5, 7, 8, 10, 13, 14, 16, 20, 26, 28, 32, 35, 40, 52, 56, 65, 70, 80, 91, 104, 112, 130, 140, 160, 169, 182, 208, 224, 260, 280, 338, 364, 416, 455, 520, 560, 676, 728, 845, 910, 1040, 1120, 1183, 1223, 1352, 1456, 1690, 1820, 2080, 2366, 2446, 2704, 2912, 3380, 3640, 4732, 4892, 5408, 5915, 6115, 6760, 7280, 8561, 9464, 9784, 11830, 12230, 13520, 14560, 15899, 17122, 18928, 19568, 23660, 24460, 27040, 31798, 34244, 37856, 39136, 42805, 47320, 48920, 63596, 68488, 79495, 85610, 94640, 97840, 111293, 127192, 136976, 158990, 171220, 189280, 195680, 206687, 222586, 254384, 273952, 317980, 342440, 413374, 445172, 508768, 556465, 635960, 684880, 826748, 890344, 1033435, 1112930, 1271920, 1369760, 1446809, 1653496, 1780688, 2066870, 2225860, 2543840, 2893618, 3306992, 3561376, 4133740, 4451720, 5787236, 6613984, 7234045, 8267480, 8903440, 11574472, 14468090, 16534960, 17806880, 23148944, 28936180, 33069920, 46297888, 57872360, 115744720, 231489440]

約数ペア:

[(1, 231489440), (2, 115744720), (4, 57872360), (5, 46297888), (7, 33069920), (8, 28936180), (10, 23148944), (13, 17806880), (14, 16534960), (16, 14468090), (20, 11574472), (26, 8903440), (28, 8267480), (32, 7234045), (35, 6613984), (40, 5787236), (52, 4451720), (56, 4133740), (65, 3561376), (70, 3306992), (80, 2893618), (91, 2543840), (104, 2225860), (112, 2066870), (130, 1780688), (140, 1653496), (160, 1446809), (169, 1369760), (182, 1271920), (208, 1112930), (224, 1033435), (260, 890344), (280, 826748), (338, 684880), (364, 635960), (416, 556465), (455, 508768), (520, 445172), (560, 413374), (676, 342440), (728, 317980), (845, 273952), (910, 254384), (1040, 222586), (1120, 206687), (1183, 195680), (1223, 189280), (1352, 171220), (1456, 158990), (1690, 136976), (1820, 127192), (2080, 111293), (2366, 97840), (2446, 94640), (2704, 85610), (2912, 79495), (3380, 68488), (3640, 63596), (4732, 48920), (4892, 47320), (5408, 42805), (5915, 39136), (6115, 37856), (6760, 34244), (7280, 31798), (8561, 27040), (9464, 24460), (9784, 23660), (11830, 19568), (12230, 18928), (13520, 17122), (14560, 15899)]