778327680

素因数分解:

$2^7\times 3^1\times 5^1\times {\mathrm{13}}^1\times {\mathrm{31183}}^1$

素因数の和:31218

約数の個数: 128

約数和(自身を含む): 2671845120

約数和(自身を除く): 1893517440

約数列:

[1, 2, 3, 4, 5, 6, 8, 10, 12, 13, 15, 16, 20, 24, 26, 30, 32, 39, 40, 48, 52, 60, 64, 65, 78, 80, 96, 104, 120, 128, 130, 156, 160, 192, 195, 208, 240, 260, 312, 320, 384, 390, 416, 480, 520, 624, 640, 780, 832, 960, 1040, 1248, 1560, 1664, 1920, 2080, 2496, 3120, 4160, 4992, 6240, 8320, 12480, 24960, 31183, 62366, 93549, 124732, 155915, 187098, 249464, 311830, 374196, 405379, 467745, 498928, 623660, 748392, 810758, 935490, 997856, 1216137, 1247320, 1496784, 1621516, 1870980, 1995712, 2026895, 2432274, 2494640, 2993568, 3243032, 3741960, 3991424, 4053790, 4864548, 4989280, 5987136, 6080685, 6486064, 7483920, 8107580, 9729096, 9978560, 11974272, 12161370, 12972128, 14967840, 16215160, 19458192, 19957120, 24322740, 25944256, 29935680, 32430320, 38916384, 48645480, 51888512, 59871360, 64860640, 77832768, 97290960, 129721280, 155665536, 194581920, 259442560, 389163840, 778327680]

約数ペア:

[(1, 778327680), (2, 389163840), (3, 259442560), (4, 194581920), (5, 155665536), (6, 129721280), (8, 97290960), (10, 77832768), (12, 64860640), (13, 59871360), (15, 51888512), (16, 48645480), (20, 38916384), (24, 32430320), (26, 29935680), (30, 25944256), (32, 24322740), (39, 19957120), (40, 19458192), (48, 16215160), (52, 14967840), (60, 12972128), (64, 12161370), (65, 11974272), (78, 9978560), (80, 9729096), (96, 8107580), (104, 7483920), (120, 6486064), (128, 6080685), (130, 5987136), (156, 4989280), (160, 4864548), (192, 4053790), (195, 3991424), (208, 3741960), (240, 3243032), (260, 2993568), (312, 2494640), (320, 2432274), (384, 2026895), (390, 1995712), (416, 1870980), (480, 1621516), (520, 1496784), (624, 1247320), (640, 1216137), (780, 997856), (832, 935490), (960, 810758), (1040, 748392), (1248, 623660), (1560, 498928), (1664, 467745), (1920, 405379), (2080, 374196), (2496, 311830), (3120, 249464), (4160, 187098), (4992, 155915), (6240, 124732), (8320, 93549), (12480, 62366), (24960, 31183)]