18450990720

素因数分解:

$2^7\times 3^2\times 5^1\times {\mathrm{647}}^1\times {\mathrm{4951}}^1$

素因数の和:5623

約数の個数: 192

約数和(自身を含む): 63824941440

約数和(自身を除く): 45373950720

約数列:

[1, 2, 3, 4, 5, 6, 8, 9, 10, 12, 15, 16, 18, 20, 24, 30, 32, 36, 40, 45, 48, 60, 64, 72, 80, 90, 96, 120, 128, 144, 160, 180, 192, 240, 288, 320, 360, 384, 480, 576, 640, 647, 720, 960, 1152, 1294, 1440, 1920, 1941, 2588, 2880, 3235, 3882, 4951, 5176, 5760, 5823, 6470, 7764, 9705, 9902, 10352, 11646, 12940, 14853, 15528, 19410, 19804, 20704, 23292, 24755, 25880, 29115, 29706, 31056, 38820, 39608, 41408, 44559, 46584, 49510, 51760, 58230, 59412, 62112, 74265, 77640, 79216, 82816, 89118, 93168, 99020, 103520, 116460, 118824, 124224, 148530, 155280, 158432, 178236, 186336, 198040, 207040, 222795, 232920, 237648, 248448, 297060, 310560, 316864, 356472, 372672, 396080, 414080, 445590, 465840, 475296, 594120, 621120, 633728, 712944, 745344, 792160, 891180, 931680, 950592, 1188240, 1242240, 1425888, 1584320, 1782360, 1863360, 1901184, 2376480, 2851776, 3168640, 3203297, 3564720, 3726720, 4752960, 5703552, 6406594, 7129440, 9505920, 9609891, 12813188, 14258880, 16016485, 19219782, 25626376, 28517760, 28829673, 32032970, 38439564, 48049455, 51252752, 57659346, 64065940, 76879128, 96098910, 102505504, 115318692, 128131880, 144148365, 153758256, 192197820, 205011008, 230637384, 256263760, 288296730, 307516512, 384395640, 410022016, 461274768, 512527520, 576593460, 615033024, 768791280, 922549536, 1025055040, 1153186920, 1230066048, 1537582560, 1845099072, 2050110080, 2306373840, 3075165120, 3690198144, 4612747680, 6150330240, 9225495360, 18450990720]

約数ペア:

[(1, 18450990720), (2, 9225495360), (3, 6150330240), (4, 4612747680), (5, 3690198144), (6, 3075165120), (8, 2306373840), (9, 2050110080), (10, 1845099072), (12, 1537582560), (15, 1230066048), (16, 1153186920), (18, 1025055040), (20, 922549536), (24, 768791280), (30, 615033024), (32, 576593460), (36, 512527520), (40, 461274768), (45, 410022016), (48, 384395640), (60, 307516512), (64, 288296730), (72, 256263760), (80, 230637384), (90, 205011008), (96, 192197820), (120, 153758256), (128, 144148365), (144, 128131880), (160, 115318692), (180, 102505504), (192, 96098910), (240, 76879128), (288, 64065940), (320, 57659346), (360, 51252752), (384, 48049455), (480, 38439564), (576, 32032970), (640, 28829673), (647, 28517760), (720, 25626376), (960, 19219782), (1152, 16016485), (1294, 14258880), (1440, 12813188), (1920, 9609891), (1941, 9505920), (2588, 7129440), (2880, 6406594), (3235, 5703552), (3882, 4752960), (4951, 3726720), (5176, 3564720), (5760, 3203297), (5823, 3168640), (6470, 2851776), (7764, 2376480), (9705, 1901184), (9902, 1863360), (10352, 1782360), (11646, 1584320), (12940, 1425888), (14853, 1242240), (15528, 1188240), (19410, 950592), (19804, 931680), (20704, 891180), (23292, 792160), (24755, 745344), (25880, 712944), (29115, 633728), (29706, 621120), (31056, 594120), (38820, 475296), (39608, 465840), (41408, 445590), (44559, 414080), (46584, 396080), (49510, 372672), (51760, 356472), (58230, 316864), (59412, 310560), (62112, 297060), (74265, 248448), (77640, 237648), (79216, 232920), (82816, 222795), (89118, 207040), (93168, 198040), (99020, 186336), (103520, 178236), (116460, 158432), (118824, 155280), (124224, 148530)]