328965840

素因数分解:

$2^4\times 3^3\times 5^1\times 7^1\times {\mathrm{21757}}^1$

素因数の和:21786

約数の個数: 160

約数和(自身を含む): 1295036160

約数和(自身を除く): 966070320

約数列:

[1, 2, 3, 4, 5, 6, 7, 8, 9, 10, 12, 14, 15, 16, 18, 20, 21, 24, 27, 28, 30, 35, 36, 40, 42, 45, 48, 54, 56, 60, 63, 70, 72, 80, 84, 90, 105, 108, 112, 120, 126, 135, 140, 144, 168, 180, 189, 210, 216, 240, 252, 270, 280, 315, 336, 360, 378, 420, 432, 504, 540, 560, 630, 720, 756, 840, 945, 1008, 1080, 1260, 1512, 1680, 1890, 2160, 2520, 3024, 3780, 5040, 7560, 15120, 21757, 43514, 65271, 87028, 108785, 130542, 152299, 174056, 195813, 217570, 261084, 304598, 326355, 348112, 391626, 435140, 456897, 522168, 587439, 609196, 652710, 761495, 783252, 870280, 913794, 979065, 1044336, 1174878, 1218392, 1305420, 1370691, 1522990, 1566504, 1740560, 1827588, 1958130, 2284485, 2349756, 2436784, 2610840, 2741382, 2937195, 3045980, 3133008, 3655176, 3916260, 4112073, 4568970, 4699512, 5221680, 5482764, 5874390, 6091960, 6853455, 7310352, 7832520, 8224146, 9137940, 9399024, 10965528, 11748780, 12183920, 13706910, 15665040, 16448292, 18275880, 20560365, 21931056, 23497560, 27413820, 32896584, 36551760, 41120730, 46995120, 54827640, 65793168, 82241460, 109655280, 164482920, 328965840]

約数ペア:

[(1, 328965840), (2, 164482920), (3, 109655280), (4, 82241460), (5, 65793168), (6, 54827640), (7, 46995120), (8, 41120730), (9, 36551760), (10, 32896584), (12, 27413820), (14, 23497560), (15, 21931056), (16, 20560365), (18, 18275880), (20, 16448292), (21, 15665040), (24, 13706910), (27, 12183920), (28, 11748780), (30, 10965528), (35, 9399024), (36, 9137940), (40, 8224146), (42, 7832520), (45, 7310352), (48, 6853455), (54, 6091960), (56, 5874390), (60, 5482764), (63, 5221680), (70, 4699512), (72, 4568970), (80, 4112073), (84, 3916260), (90, 3655176), (105, 3133008), (108, 3045980), (112, 2937195), (120, 2741382), (126, 2610840), (135, 2436784), (140, 2349756), (144, 2284485), (168, 1958130), (180, 1827588), (189, 1740560), (210, 1566504), (216, 1522990), (240, 1370691), (252, 1305420), (270, 1218392), (280, 1174878), (315, 1044336), (336, 979065), (360, 913794), (378, 870280), (420, 783252), (432, 761495), (504, 652710), (540, 609196), (560, 587439), (630, 522168), (720, 456897), (756, 435140), (840, 391626), (945, 348112), (1008, 326355), (1080, 304598), (1260, 261084), (1512, 217570), (1680, 195813), (1890, 174056), (2160, 152299), (2520, 130542), (3024, 108785), (3780, 87028), (5040, 65271), (7560, 43514), (15120, 21757)]