78321040

素因数分解:

$2^4\times 5^1\times 7^1\times {\mathrm{17}}^1\times {\mathrm{19}}^1\times {\mathrm{433}}^1$

素因数の和:489

約数の個数: 160

約数和(自身を含む): 232485120

約数和(自身を除く): 154164080

約数列:

[1, 2, 4, 5, 7, 8, 10, 14, 16, 17, 19, 20, 28, 34, 35, 38, 40, 56, 68, 70, 76, 80, 85, 95, 112, 119, 133, 136, 140, 152, 170, 190, 238, 266, 272, 280, 304, 323, 340, 380, 433, 476, 532, 560, 595, 646, 665, 680, 760, 866, 952, 1064, 1190, 1292, 1330, 1360, 1520, 1615, 1732, 1904, 2128, 2165, 2261, 2380, 2584, 2660, 3031, 3230, 3464, 4330, 4522, 4760, 5168, 5320, 6062, 6460, 6928, 7361, 8227, 8660, 9044, 9520, 10640, 11305, 12124, 12920, 14722, 15155, 16454, 17320, 18088, 22610, 24248, 25840, 29444, 30310, 32908, 34640, 36176, 36805, 41135, 45220, 48496, 51527, 57589, 58888, 60620, 65816, 73610, 82270, 90440, 103054, 115178, 117776, 121240, 131632, 139859, 147220, 164540, 180880, 206108, 230356, 242480, 257635, 279718, 287945, 294440, 329080, 412216, 460712, 515270, 559436, 575890, 588880, 658160, 699295, 824432, 921424, 979013, 1030540, 1118872, 1151780, 1398590, 1958026, 2061080, 2237744, 2303560, 2797180, 3916052, 4122160, 4607120, 4895065, 5594360, 7832104, 9790130, 11188720, 15664208, 19580260, 39160520, 78321040]

約数ペア:

[(1, 78321040), (2, 39160520), (4, 19580260), (5, 15664208), (7, 11188720), (8, 9790130), (10, 7832104), (14, 5594360), (16, 4895065), (17, 4607120), (19, 4122160), (20, 3916052), (28, 2797180), (34, 2303560), (35, 2237744), (38, 2061080), (40, 1958026), (56, 1398590), (68, 1151780), (70, 1118872), (76, 1030540), (80, 979013), (85, 921424), (95, 824432), (112, 699295), (119, 658160), (133, 588880), (136, 575890), (140, 559436), (152, 515270), (170, 460712), (190, 412216), (238, 329080), (266, 294440), (272, 287945), (280, 279718), (304, 257635), (323, 242480), (340, 230356), (380, 206108), (433, 180880), (476, 164540), (532, 147220), (560, 139859), (595, 131632), (646, 121240), (665, 117776), (680, 115178), (760, 103054), (866, 90440), (952, 82270), (1064, 73610), (1190, 65816), (1292, 60620), (1330, 58888), (1360, 57589), (1520, 51527), (1615, 48496), (1732, 45220), (1904, 41135), (2128, 36805), (2165, 36176), (2261, 34640), (2380, 32908), (2584, 30310), (2660, 29444), (3031, 25840), (3230, 24248), (3464, 22610), (4330, 18088), (4522, 17320), (4760, 16454), (5168, 15155), (5320, 14722), (6062, 12920), (6460, 12124), (6928, 11305), (7361, 10640), (8227, 9520), (8660, 9044)]