247599480

素因数分解:

$2^3\times 3^1\times 5^1\times {\mathrm{31}}^1\times {\mathrm{101}}^1\times {\mathrm{659}}^1$

素因数の和:805

約数の個数: 128

約数和(自身を含む): 775526400

約数和(自身を除く): 527926920

約数列:

[1, 2, 3, 4, 5, 6, 8, 10, 12, 15, 20, 24, 30, 31, 40, 60, 62, 93, 101, 120, 124, 155, 186, 202, 248, 303, 310, 372, 404, 465, 505, 606, 620, 659, 744, 808, 930, 1010, 1212, 1240, 1318, 1515, 1860, 1977, 2020, 2424, 2636, 3030, 3131, 3295, 3720, 3954, 4040, 5272, 6060, 6262, 6590, 7908, 9393, 9885, 12120, 12524, 13180, 15655, 15816, 18786, 19770, 20429, 25048, 26360, 31310, 37572, 39540, 40858, 46965, 61287, 62620, 66559, 75144, 79080, 81716, 93930, 102145, 122574, 125240, 133118, 163432, 187860, 199677, 204290, 245148, 266236, 306435, 332795, 375720, 399354, 408580, 490296, 532472, 612870, 665590, 798708, 817160, 998385, 1225740, 1331180, 1597416, 1996770, 2063329, 2451480, 2662360, 3993540, 4126658, 6189987, 7987080, 8253316, 10316645, 12379974, 16506632, 20633290, 24759948, 30949935, 41266580, 49519896, 61899870, 82533160, 123799740, 247599480]

約数ペア:

[(1, 247599480), (2, 123799740), (3, 82533160), (4, 61899870), (5, 49519896), (6, 41266580), (8, 30949935), (10, 24759948), (12, 20633290), (15, 16506632), (20, 12379974), (24, 10316645), (30, 8253316), (31, 7987080), (40, 6189987), (60, 4126658), (62, 3993540), (93, 2662360), (101, 2451480), (120, 2063329), (124, 1996770), (155, 1597416), (186, 1331180), (202, 1225740), (248, 998385), (303, 817160), (310, 798708), (372, 665590), (404, 612870), (465, 532472), (505, 490296), (606, 408580), (620, 399354), (659, 375720), (744, 332795), (808, 306435), (930, 266236), (1010, 245148), (1212, 204290), (1240, 199677), (1318, 187860), (1515, 163432), (1860, 133118), (1977, 125240), (2020, 122574), (2424, 102145), (2636, 93930), (3030, 81716), (3131, 79080), (3295, 75144), (3720, 66559), (3954, 62620), (4040, 61287), (5272, 46965), (6060, 40858), (6262, 39540), (6590, 37572), (7908, 31310), (9393, 26360), (9885, 25048), (12120, 20429), (12524, 19770), (13180, 18786), (15655, 15816)]