320054240

素因数分解:

$2^5\times 5^1\times {\mathrm{11}}^1\times {\mathrm{17}}^1\times {\mathrm{19}}^1\times {\mathrm{563}}^1$

素因数の和:625

約数の個数: 192

約数和(自身を含む): 920989440

約数和(自身を除く): 600935200

約数列:

[1, 2, 4, 5, 8, 10, 11, 16, 17, 19, 20, 22, 32, 34, 38, 40, 44, 55, 68, 76, 80, 85, 88, 95, 110, 136, 152, 160, 170, 176, 187, 190, 209, 220, 272, 304, 323, 340, 352, 374, 380, 418, 440, 544, 563, 608, 646, 680, 748, 760, 836, 880, 935, 1045, 1126, 1292, 1360, 1496, 1520, 1615, 1672, 1760, 1870, 2090, 2252, 2584, 2720, 2815, 2992, 3040, 3230, 3344, 3553, 3740, 4180, 4504, 5168, 5630, 5984, 6193, 6460, 6688, 7106, 7480, 8360, 9008, 9571, 10336, 10697, 11260, 12386, 12920, 14212, 14960, 16720, 17765, 18016, 19142, 21394, 22520, 24772, 25840, 28424, 29920, 30965, 33440, 35530, 38284, 42788, 45040, 47855, 49544, 51680, 53485, 56848, 61930, 71060, 76568, 85576, 90080, 95710, 99088, 105281, 106970, 113696, 117667, 123860, 142120, 153136, 171152, 181849, 191420, 198176, 210562, 213940, 235334, 247720, 284240, 306272, 342304, 363698, 382840, 421124, 427880, 470668, 495440, 526405, 568480, 588335, 727396, 765680, 842248, 855760, 909245, 941336, 990880, 1052810, 1176670, 1454792, 1531360, 1684496, 1711520, 1818490, 1882672, 2000339, 2105620, 2353340, 2909584, 3368992, 3636980, 3765344, 4000678, 4211240, 4706680, 5819168, 7273960, 8001356, 8422480, 9413360, 10001695, 14547920, 16002712, 16844960, 18826720, 20003390, 29095840, 32005424, 40006780, 64010848, 80013560, 160027120, 320054240]

約数ペア:

[(1, 320054240), (2, 160027120), (4, 80013560), (5, 64010848), (8, 40006780), (10, 32005424), (11, 29095840), (16, 20003390), (17, 18826720), (19, 16844960), (20, 16002712), (22, 14547920), (32, 10001695), (34, 9413360), (38, 8422480), (40, 8001356), (44, 7273960), (55, 5819168), (68, 4706680), (76, 4211240), (80, 4000678), (85, 3765344), (88, 3636980), (95, 3368992), (110, 2909584), (136, 2353340), (152, 2105620), (160, 2000339), (170, 1882672), (176, 1818490), (187, 1711520), (190, 1684496), (209, 1531360), (220, 1454792), (272, 1176670), (304, 1052810), (323, 990880), (340, 941336), (352, 909245), (374, 855760), (380, 842248), (418, 765680), (440, 727396), (544, 588335), (563, 568480), (608, 526405), (646, 495440), (680, 470668), (748, 427880), (760, 421124), (836, 382840), (880, 363698), (935, 342304), (1045, 306272), (1126, 284240), (1292, 247720), (1360, 235334), (1496, 213940), (1520, 210562), (1615, 198176), (1672, 191420), (1760, 181849), (1870, 171152), (2090, 153136), (2252, 142120), (2584, 123860), (2720, 117667), (2815, 113696), (2992, 106970), (3040, 105281), (3230, 99088), (3344, 95710), (3553, 90080), (3740, 85576), (4180, 76568), (4504, 71060), (5168, 61930), (5630, 56848), (5984, 53485), (6193, 51680), (6460, 49544), (6688, 47855), (7106, 45040), (7480, 42788), (8360, 38284), (9008, 35530), (9571, 33440), (10336, 30965), (10697, 29920), (11260, 28424), (12386, 25840), (12920, 24772), (14212, 22520), (14960, 21394), (16720, 19142), (17765, 18016)]