18994560

素因数分解:

$2^7\times 3^1\times 5^1\times {\mathrm{13}}^1\times {\mathrm{761}}^1$

素因数の和:796

約数の個数: 128

約数和(自身を含む): 65288160

約数和(自身を除く): 46293600

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, 761, 780, 832, 960, 1040, 1248, 1522, 1560, 1664, 1920, 2080, 2283, 2496, 3044, 3120, 3805, 4160, 4566, 4992, 6088, 6240, 7610, 8320, 9132, 9893, 11415, 12176, 12480, 15220, 18264, 19786, 22830, 24352, 24960, 29679, 30440, 36528, 39572, 45660, 48704, 49465, 59358, 60880, 73056, 79144, 91320, 97408, 98930, 118716, 121760, 146112, 148395, 158288, 182640, 197860, 237432, 243520, 292224, 296790, 316576, 365280, 395720, 474864, 487040, 593580, 633152, 730560, 791440, 949728, 1187160, 1266304, 1461120, 1582880, 1899456, 2374320, 3165760, 3798912, 4748640, 6331520, 9497280, 18994560]

約数ペア:

[(1, 18994560), (2, 9497280), (3, 6331520), (4, 4748640), (5, 3798912), (6, 3165760), (8, 2374320), (10, 1899456), (12, 1582880), (13, 1461120), (15, 1266304), (16, 1187160), (20, 949728), (24, 791440), (26, 730560), (30, 633152), (32, 593580), (39, 487040), (40, 474864), (48, 395720), (52, 365280), (60, 316576), (64, 296790), (65, 292224), (78, 243520), (80, 237432), (96, 197860), (104, 182640), (120, 158288), (128, 148395), (130, 146112), (156, 121760), (160, 118716), (192, 98930), (195, 97408), (208, 91320), (240, 79144), (260, 73056), (312, 60880), (320, 59358), (384, 49465), (390, 48704), (416, 45660), (480, 39572), (520, 36528), (624, 30440), (640, 29679), (761, 24960), (780, 24352), (832, 22830), (960, 19786), (1040, 18264), (1248, 15220), (1522, 12480), (1560, 12176), (1664, 11415), (1920, 9893), (2080, 9132), (2283, 8320), (2496, 7610), (3044, 6240), (3120, 6088), (3805, 4992), (4160, 4566)]