78256640

素因数分解:

$2^9\times 5^1\times 7^1\times {\mathrm{11}}^1\times {\mathrm{397}}^1$

素因数の和:438

約数の個数: 160

約数和(自身を含む): 234520704

約数和(自身を除く): 156264064

約数列:

[1, 2, 4, 5, 7, 8, 10, 11, 14, 16, 20, 22, 28, 32, 35, 40, 44, 55, 56, 64, 70, 77, 80, 88, 110, 112, 128, 140, 154, 160, 176, 220, 224, 256, 280, 308, 320, 352, 385, 397, 440, 448, 512, 560, 616, 640, 704, 770, 794, 880, 896, 1120, 1232, 1280, 1408, 1540, 1588, 1760, 1792, 1985, 2240, 2464, 2560, 2779, 2816, 3080, 3176, 3520, 3584, 3970, 4367, 4480, 4928, 5558, 5632, 6160, 6352, 7040, 7940, 8734, 8960, 9856, 11116, 12320, 12704, 13895, 14080, 15880, 17468, 17920, 19712, 21835, 22232, 24640, 25408, 27790, 28160, 30569, 31760, 34936, 39424, 43670, 44464, 49280, 50816, 55580, 61138, 63520, 69872, 87340, 88928, 98560, 101632, 111160, 122276, 127040, 139744, 152845, 174680, 177856, 197120, 203264, 222320, 244552, 254080, 279488, 305690, 349360, 355712, 444640, 489104, 508160, 558976, 611380, 698720, 711424, 889280, 978208, 1016320, 1117952, 1222760, 1397440, 1422848, 1778560, 1956416, 2235904, 2445520, 2794880, 3557120, 3912832, 4891040, 5589760, 7114240, 7825664, 9782080, 11179520, 15651328, 19564160, 39128320, 78256640]

約数ペア:

[(1, 78256640), (2, 39128320), (4, 19564160), (5, 15651328), (7, 11179520), (8, 9782080), (10, 7825664), (11, 7114240), (14, 5589760), (16, 4891040), (20, 3912832), (22, 3557120), (28, 2794880), (32, 2445520), (35, 2235904), (40, 1956416), (44, 1778560), (55, 1422848), (56, 1397440), (64, 1222760), (70, 1117952), (77, 1016320), (80, 978208), (88, 889280), (110, 711424), (112, 698720), (128, 611380), (140, 558976), (154, 508160), (160, 489104), (176, 444640), (220, 355712), (224, 349360), (256, 305690), (280, 279488), (308, 254080), (320, 244552), (352, 222320), (385, 203264), (397, 197120), (440, 177856), (448, 174680), (512, 152845), (560, 139744), (616, 127040), (640, 122276), (704, 111160), (770, 101632), (794, 98560), (880, 88928), (896, 87340), (1120, 69872), (1232, 63520), (1280, 61138), (1408, 55580), (1540, 50816), (1588, 49280), (1760, 44464), (1792, 43670), (1985, 39424), (2240, 34936), (2464, 31760), (2560, 30569), (2779, 28160), (2816, 27790), (3080, 25408), (3176, 24640), (3520, 22232), (3584, 21835), (3970, 19712), (4367, 17920), (4480, 17468), (4928, 15880), (5558, 14080), (5632, 13895), (6160, 12704), (6352, 12320), (7040, 11116), (7940, 9856), (8734, 8960)]