1989680

素因数分解:

$2^4\times 5^1\times 7^1\times {\mathrm{11}}^1\times {\mathrm{17}}^1\times {\mathrm{19}}^1$

素因数の和:67

約数の個数: 160

約数和(自身を含む): 6428160

約数和(自身を除く): 4438480

約数列:

[1, 2, 4, 5, 7, 8, 10, 11, 14, 16, 17, 19, 20, 22, 28, 34, 35, 38, 40, 44, 55, 56, 68, 70, 76, 77, 80, 85, 88, 95, 110, 112, 119, 133, 136, 140, 152, 154, 170, 176, 187, 190, 209, 220, 238, 266, 272, 280, 304, 308, 323, 340, 374, 380, 385, 418, 440, 476, 532, 560, 595, 616, 646, 665, 680, 748, 760, 770, 836, 880, 935, 952, 1045, 1064, 1190, 1232, 1292, 1309, 1330, 1360, 1463, 1496, 1520, 1540, 1615, 1672, 1870, 1904, 2090, 2128, 2261, 2380, 2584, 2618, 2660, 2926, 2992, 3080, 3230, 3344, 3553, 3740, 4180, 4522, 4760, 5168, 5236, 5320, 5852, 6160, 6460, 6545, 7106, 7315, 7480, 8360, 9044, 9520, 10472, 10640, 11305, 11704, 12920, 13090, 14212, 14630, 14960, 16720, 17765, 18088, 20944, 22610, 23408, 24871, 25840, 26180, 28424, 29260, 35530, 36176, 45220, 49742, 52360, 56848, 58520, 71060, 90440, 99484, 104720, 117040, 124355, 142120, 180880, 198968, 248710, 284240, 397936, 497420, 994840, 1989680]

約数ペア:

[(1, 1989680), (2, 994840), (4, 497420), (5, 397936), (7, 284240), (8, 248710), (10, 198968), (11, 180880), (14, 142120), (16, 124355), (17, 117040), (19, 104720), (20, 99484), (22, 90440), (28, 71060), (34, 58520), (35, 56848), (38, 52360), (40, 49742), (44, 45220), (55, 36176), (56, 35530), (68, 29260), (70, 28424), (76, 26180), (77, 25840), (80, 24871), (85, 23408), (88, 22610), (95, 20944), (110, 18088), (112, 17765), (119, 16720), (133, 14960), (136, 14630), (140, 14212), (152, 13090), (154, 12920), (170, 11704), (176, 11305), (187, 10640), (190, 10472), (209, 9520), (220, 9044), (238, 8360), (266, 7480), (272, 7315), (280, 7106), (304, 6545), (308, 6460), (323, 6160), (340, 5852), (374, 5320), (380, 5236), (385, 5168), (418, 4760), (440, 4522), (476, 4180), (532, 3740), (560, 3553), (595, 3344), (616, 3230), (646, 3080), (665, 2992), (680, 2926), (748, 2660), (760, 2618), (770, 2584), (836, 2380), (880, 2261), (935, 2128), (952, 2090), (1045, 1904), (1064, 1870), (1190, 1672), (1232, 1615), (1292, 1540), (1309, 1520), (1330, 1496), (1360, 1463)]