321671520

素因数分解:

$2^5\times 3^3\times 5^1\times {\mathrm{19}}^1\times {\mathrm{3919}}^1$

素因数の和:3962

約数の個数: 192

約数和(自身を含む): 1185408000

約数和(自身を除く): 863736480

約数列:

[1, 2, 3, 4, 5, 6, 8, 9, 10, 12, 15, 16, 18, 19, 20, 24, 27, 30, 32, 36, 38, 40, 45, 48, 54, 57, 60, 72, 76, 80, 90, 95, 96, 108, 114, 120, 135, 144, 152, 160, 171, 180, 190, 216, 228, 240, 270, 285, 288, 304, 342, 360, 380, 432, 456, 480, 513, 540, 570, 608, 684, 720, 760, 855, 864, 912, 1026, 1080, 1140, 1368, 1440, 1520, 1710, 1824, 2052, 2160, 2280, 2565, 2736, 3040, 3420, 3919, 4104, 4320, 4560, 5130, 5472, 6840, 7838, 8208, 9120, 10260, 11757, 13680, 15676, 16416, 19595, 20520, 23514, 27360, 31352, 35271, 39190, 41040, 47028, 58785, 62704, 70542, 74461, 78380, 82080, 94056, 105813, 117570, 125408, 141084, 148922, 156760, 176355, 188112, 211626, 223383, 235140, 282168, 297844, 313520, 352710, 372305, 376224, 423252, 446766, 470280, 529065, 564336, 595688, 627040, 670149, 705420, 744610, 846504, 893532, 940560, 1058130, 1116915, 1128672, 1191376, 1340298, 1410840, 1489220, 1693008, 1787064, 1881120, 2010447, 2116260, 2233830, 2382752, 2680596, 2821680, 2978440, 3350745, 3386016, 3574128, 4020894, 4232520, 4467660, 5361192, 5643360, 5956880, 6701490, 7148256, 8041788, 8465040, 8935320, 10052235, 10722384, 11913760, 13402980, 16083576, 16930080, 17870640, 20104470, 21444768, 26805960, 32167152, 35741280, 40208940, 53611920, 64334304, 80417880, 107223840, 160835760, 321671520]

約数ペア:

[(1, 321671520), (2, 160835760), (3, 107223840), (4, 80417880), (5, 64334304), (6, 53611920), (8, 40208940), (9, 35741280), (10, 32167152), (12, 26805960), (15, 21444768), (16, 20104470), (18, 17870640), (19, 16930080), (20, 16083576), (24, 13402980), (27, 11913760), (30, 10722384), (32, 10052235), (36, 8935320), (38, 8465040), (40, 8041788), (45, 7148256), (48, 6701490), (54, 5956880), (57, 5643360), (60, 5361192), (72, 4467660), (76, 4232520), (80, 4020894), (90, 3574128), (95, 3386016), (96, 3350745), (108, 2978440), (114, 2821680), (120, 2680596), (135, 2382752), (144, 2233830), (152, 2116260), (160, 2010447), (171, 1881120), (180, 1787064), (190, 1693008), (216, 1489220), (228, 1410840), (240, 1340298), (270, 1191376), (285, 1128672), (288, 1116915), (304, 1058130), (342, 940560), (360, 893532), (380, 846504), (432, 744610), (456, 705420), (480, 670149), (513, 627040), (540, 595688), (570, 564336), (608, 529065), (684, 470280), (720, 446766), (760, 423252), (855, 376224), (864, 372305), (912, 352710), (1026, 313520), (1080, 297844), (1140, 282168), (1368, 235140), (1440, 223383), (1520, 211626), (1710, 188112), (1824, 176355), (2052, 156760), (2160, 148922), (2280, 141084), (2565, 125408), (2736, 117570), (3040, 105813), (3420, 94056), (3919, 82080), (4104, 78380), (4320, 74461), (4560, 70542), (5130, 62704), (5472, 58785), (6840, 47028), (7838, 41040), (8208, 39190), (9120, 35271), (10260, 31352), (11757, 27360), (13680, 23514), (15676, 20520), (16416, 19595)]