78225280

素因数分解:

$2^7\times 5^1\times 7^1\times {\mathrm{19}}^1\times {\mathrm{919}}^1$

素因数の和:964

約数の個数: 128

約数和(自身を含む): 225216000

約数和(自身を除く): 146990720

約数列:

[1, 2, 4, 5, 7, 8, 10, 14, 16, 19, 20, 28, 32, 35, 38, 40, 56, 64, 70, 76, 80, 95, 112, 128, 133, 140, 152, 160, 190, 224, 266, 280, 304, 320, 380, 448, 532, 560, 608, 640, 665, 760, 896, 919, 1064, 1120, 1216, 1330, 1520, 1838, 2128, 2240, 2432, 2660, 3040, 3676, 4256, 4480, 4595, 5320, 6080, 6433, 7352, 8512, 9190, 10640, 12160, 12866, 14704, 17024, 17461, 18380, 21280, 25732, 29408, 32165, 34922, 36760, 42560, 51464, 58816, 64330, 69844, 73520, 85120, 87305, 102928, 117632, 122227, 128660, 139688, 147040, 174610, 205856, 244454, 257320, 279376, 294080, 349220, 411712, 488908, 514640, 558752, 588160, 611135, 698440, 823424, 977816, 1029280, 1117504, 1222270, 1396880, 1955632, 2058560, 2235008, 2444540, 2793760, 3911264, 4117120, 4889080, 5587520, 7822528, 9778160, 11175040, 15645056, 19556320, 39112640, 78225280]

約数ペア:

[(1, 78225280), (2, 39112640), (4, 19556320), (5, 15645056), (7, 11175040), (8, 9778160), (10, 7822528), (14, 5587520), (16, 4889080), (19, 4117120), (20, 3911264), (28, 2793760), (32, 2444540), (35, 2235008), (38, 2058560), (40, 1955632), (56, 1396880), (64, 1222270), (70, 1117504), (76, 1029280), (80, 977816), (95, 823424), (112, 698440), (128, 611135), (133, 588160), (140, 558752), (152, 514640), (160, 488908), (190, 411712), (224, 349220), (266, 294080), (280, 279376), (304, 257320), (320, 244454), (380, 205856), (448, 174610), (532, 147040), (560, 139688), (608, 128660), (640, 122227), (665, 117632), (760, 102928), (896, 87305), (919, 85120), (1064, 73520), (1120, 69844), (1216, 64330), (1330, 58816), (1520, 51464), (1838, 42560), (2128, 36760), (2240, 34922), (2432, 32165), (2660, 29408), (3040, 25732), (3676, 21280), (4256, 18380), (4480, 17461), (4595, 17024), (5320, 14704), (6080, 12866), (6433, 12160), (7352, 10640), (8512, 9190)]