78739920

素因数分解:

$2^4\times 3^2\times 5^1\times 7^1\times {\mathrm{17}}^1\times {\mathrm{919}}^1$

素因数の和:962

約数の個数: 240

約数和(自身を含む): 320336640

約数和(自身を除く): 241596720

約数列:

[1, 2, 3, 4, 5, 6, 7, 8, 9, 10, 12, 14, 15, 16, 17, 18, 20, 21, 24, 28, 30, 34, 35, 36, 40, 42, 45, 48, 51, 56, 60, 63, 68, 70, 72, 80, 84, 85, 90, 102, 105, 112, 119, 120, 126, 136, 140, 144, 153, 168, 170, 180, 204, 210, 238, 240, 252, 255, 272, 280, 306, 315, 336, 340, 357, 360, 408, 420, 476, 504, 510, 560, 595, 612, 630, 680, 714, 720, 765, 816, 840, 919, 952, 1008, 1020, 1071, 1190, 1224, 1260, 1360, 1428, 1530, 1680, 1785, 1838, 1904, 2040, 2142, 2380, 2448, 2520, 2757, 2856, 3060, 3570, 3676, 4080, 4284, 4595, 4760, 5040, 5355, 5514, 5712, 6120, 6433, 7140, 7352, 8271, 8568, 9190, 9520, 10710, 11028, 12240, 12866, 13785, 14280, 14704, 15623, 16542, 17136, 18380, 19299, 21420, 22056, 25732, 27570, 28560, 31246, 32165, 33084, 36760, 38598, 41355, 42840, 44112, 46869, 51464, 55140, 57897, 62492, 64330, 66168, 73520, 77196, 78115, 82710, 85680, 93738, 96495, 102928, 109361, 110280, 115794, 124984, 128660, 132336, 140607, 154392, 156230, 165420, 187476, 192990, 218722, 220560, 231588, 234345, 249968, 257320, 281214, 289485, 308784, 312460, 328083, 330840, 374952, 385980, 437444, 463176, 468690, 514640, 546805, 562428, 578970, 624920, 656166, 661680, 703035, 749904, 771960, 874888, 926352, 937380, 984249, 1093610, 1124856, 1157940, 1249840, 1312332, 1406070, 1543920, 1640415, 1749776, 1874760, 1968498, 2187220, 2249712, 2315880, 2624664, 2812140, 3280830, 3749520, 3936996, 4374440, 4631760, 4921245, 5249328, 5624280, 6561660, 7873992, 8748880, 9842490, 11248560, 13123320, 15747984, 19684980, 26246640, 39369960, 78739920]

約数ペア:

[(1, 78739920), (2, 39369960), (3, 26246640), (4, 19684980), (5, 15747984), (6, 13123320), (7, 11248560), (8, 9842490), (9, 8748880), (10, 7873992), (12, 6561660), (14, 5624280), (15, 5249328), (16, 4921245), (17, 4631760), (18, 4374440), (20, 3936996), (21, 3749520), (24, 3280830), (28, 2812140), (30, 2624664), (34, 2315880), (35, 2249712), (36, 2187220), (40, 1968498), (42, 1874760), (45, 1749776), (48, 1640415), (51, 1543920), (56, 1406070), (60, 1312332), (63, 1249840), (68, 1157940), (70, 1124856), (72, 1093610), (80, 984249), (84, 937380), (85, 926352), (90, 874888), (102, 771960), (105, 749904), (112, 703035), (119, 661680), (120, 656166), (126, 624920), (136, 578970), (140, 562428), (144, 546805), (153, 514640), (168, 468690), (170, 463176), (180, 437444), (204, 385980), (210, 374952), (238, 330840), (240, 328083), (252, 312460), (255, 308784), (272, 289485), (280, 281214), (306, 257320), (315, 249968), (336, 234345), (340, 231588), (357, 220560), (360, 218722), (408, 192990), (420, 187476), (476, 165420), (504, 156230), (510, 154392), (560, 140607), (595, 132336), (612, 128660), (630, 124984), (680, 115794), (714, 110280), (720, 109361), (765, 102928), (816, 96495), (840, 93738), (919, 85680), (952, 82710), (1008, 78115), (1020, 77196), (1071, 73520), (1190, 66168), (1224, 64330), (1260, 62492), (1360, 57897), (1428, 55140), (1530, 51464), (1680, 46869), (1785, 44112), (1838, 42840), (1904, 41355), (2040, 38598), (2142, 36760), (2380, 33084), (2448, 32165), (2520, 31246), (2757, 28560), (2856, 27570), (3060, 25732), (3570, 22056), (3676, 21420), (4080, 19299), (4284, 18380), (4595, 17136), (4760, 16542), (5040, 15623), (5355, 14704), (5514, 14280), (5712, 13785), (6120, 12866), (6433, 12240), (7140, 11028), (7352, 10710), (8271, 9520), (8568, 9190)]