18485880

素因数分解:

$2^3\times 3^1\times 5^1\times 7^1\times {\mathrm{59}}^1\times {\mathrm{373}}^1$

素因数の和:453

約数の個数: 128

約数和(自身を含む): 64627200

約数和(自身を除く): 46141320

約数列:

[1, 2, 3, 4, 5, 6, 7, 8, 10, 12, 14, 15, 20, 21, 24, 28, 30, 35, 40, 42, 56, 59, 60, 70, 84, 105, 118, 120, 140, 168, 177, 210, 236, 280, 295, 354, 373, 413, 420, 472, 590, 708, 746, 826, 840, 885, 1119, 1180, 1239, 1416, 1492, 1652, 1770, 1865, 2065, 2238, 2360, 2478, 2611, 2984, 3304, 3540, 3730, 4130, 4476, 4956, 5222, 5595, 6195, 7080, 7460, 7833, 8260, 8952, 9912, 10444, 11190, 12390, 13055, 14920, 15666, 16520, 20888, 22007, 22380, 24780, 26110, 31332, 39165, 44014, 44760, 49560, 52220, 62664, 66021, 78330, 88028, 104440, 110035, 132042, 154049, 156660, 176056, 220070, 264084, 308098, 313320, 330105, 440140, 462147, 528168, 616196, 660210, 770245, 880280, 924294, 1232392, 1320420, 1540490, 1848588, 2310735, 2640840, 3080980, 3697176, 4621470, 6161960, 9242940, 18485880]

約数ペア:

[(1, 18485880), (2, 9242940), (3, 6161960), (4, 4621470), (5, 3697176), (6, 3080980), (7, 2640840), (8, 2310735), (10, 1848588), (12, 1540490), (14, 1320420), (15, 1232392), (20, 924294), (21, 880280), (24, 770245), (28, 660210), (30, 616196), (35, 528168), (40, 462147), (42, 440140), (56, 330105), (59, 313320), (60, 308098), (70, 264084), (84, 220070), (105, 176056), (118, 156660), (120, 154049), (140, 132042), (168, 110035), (177, 104440), (210, 88028), (236, 78330), (280, 66021), (295, 62664), (354, 52220), (373, 49560), (413, 44760), (420, 44014), (472, 39165), (590, 31332), (708, 26110), (746, 24780), (826, 22380), (840, 22007), (885, 20888), (1119, 16520), (1180, 15666), (1239, 14920), (1416, 13055), (1492, 12390), (1652, 11190), (1770, 10444), (1865, 9912), (2065, 8952), (2238, 8260), (2360, 7833), (2478, 7460), (2611, 7080), (2984, 6195), (3304, 5595), (3540, 5222), (3730, 4956), (4130, 4476)]