80129840

素因数分解:

$2^4\times 5^1\times 7^1\times {\mathrm{17}}^1\times {\mathrm{19}}^1\times {\mathrm{443}}^1$

素因数の和:499

約数の個数: 160

約数和(自身を含む): 237841920

約数和(自身を除く): 157712080

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, 443, 476, 532, 560, 595, 646, 665, 680, 760, 886, 952, 1064, 1190, 1292, 1330, 1360, 1520, 1615, 1772, 1904, 2128, 2215, 2261, 2380, 2584, 2660, 3101, 3230, 3544, 4430, 4522, 4760, 5168, 5320, 6202, 6460, 7088, 7531, 8417, 8860, 9044, 9520, 10640, 11305, 12404, 12920, 15062, 15505, 16834, 17720, 18088, 22610, 24808, 25840, 30124, 31010, 33668, 35440, 36176, 37655, 42085, 45220, 49616, 52717, 58919, 60248, 62020, 67336, 75310, 84170, 90440, 105434, 117838, 120496, 124040, 134672, 143089, 150620, 168340, 180880, 210868, 235676, 248080, 263585, 286178, 294595, 301240, 336680, 421736, 471352, 527170, 572356, 589190, 602480, 673360, 715445, 843472, 942704, 1001623, 1054340, 1144712, 1178380, 1430890, 2003246, 2108680, 2289424, 2356760, 2861780, 4006492, 4217360, 4713520, 5008115, 5723560, 8012984, 10016230, 11447120, 16025968, 20032460, 40064920, 80129840]

約数ペア:

[(1, 80129840), (2, 40064920), (4, 20032460), (5, 16025968), (7, 11447120), (8, 10016230), (10, 8012984), (14, 5723560), (16, 5008115), (17, 4713520), (19, 4217360), (20, 4006492), (28, 2861780), (34, 2356760), (35, 2289424), (38, 2108680), (40, 2003246), (56, 1430890), (68, 1178380), (70, 1144712), (76, 1054340), (80, 1001623), (85, 942704), (95, 843472), (112, 715445), (119, 673360), (133, 602480), (136, 589190), (140, 572356), (152, 527170), (170, 471352), (190, 421736), (238, 336680), (266, 301240), (272, 294595), (280, 286178), (304, 263585), (323, 248080), (340, 235676), (380, 210868), (443, 180880), (476, 168340), (532, 150620), (560, 143089), (595, 134672), (646, 124040), (665, 120496), (680, 117838), (760, 105434), (886, 90440), (952, 84170), (1064, 75310), (1190, 67336), (1292, 62020), (1330, 60248), (1360, 58919), (1520, 52717), (1615, 49616), (1772, 45220), (1904, 42085), (2128, 37655), (2215, 36176), (2261, 35440), (2380, 33668), (2584, 31010), (2660, 30124), (3101, 25840), (3230, 24808), (3544, 22610), (4430, 18088), (4522, 17720), (4760, 16834), (5168, 15505), (5320, 15062), (6202, 12920), (6460, 12404), (7088, 11305), (7531, 10640), (8417, 9520), (8860, 9044)]