18755280

素因数分解:

$2^4\times 3^3\times 5^1\times {\mathrm{19}}^1\times {\mathrm{457}}^1$

素因数の和:498

約数の個数: 160

約数和(自身を含む): 68150400

約数和(自身を除く): 49395120

約数列:

[1, 2, 3, 4, 5, 6, 8, 9, 10, 12, 15, 16, 18, 19, 20, 24, 27, 30, 36, 38, 40, 45, 48, 54, 57, 60, 72, 76, 80, 90, 95, 108, 114, 120, 135, 144, 152, 171, 180, 190, 216, 228, 240, 270, 285, 304, 342, 360, 380, 432, 456, 457, 513, 540, 570, 684, 720, 760, 855, 912, 914, 1026, 1080, 1140, 1368, 1371, 1520, 1710, 1828, 2052, 2160, 2280, 2285, 2565, 2736, 2742, 3420, 3656, 4104, 4113, 4560, 4570, 5130, 5484, 6840, 6855, 7312, 8208, 8226, 8683, 9140, 10260, 10968, 12339, 13680, 13710, 16452, 17366, 18280, 20520, 20565, 21936, 24678, 26049, 27420, 32904, 34732, 36560, 41040, 41130, 43415, 49356, 52098, 54840, 61695, 65808, 69464, 78147, 82260, 86830, 98712, 104196, 109680, 123390, 130245, 138928, 156294, 164520, 173660, 197424, 208392, 234441, 246780, 260490, 312588, 329040, 347320, 390735, 416784, 468882, 493560, 520980, 625176, 694640, 781470, 937764, 987120, 1041960, 1172205, 1250352, 1562940, 1875528, 2083920, 2344410, 3125880, 3751056, 4688820, 6251760, 9377640, 18755280]

約数ペア:

[(1, 18755280), (2, 9377640), (3, 6251760), (4, 4688820), (5, 3751056), (6, 3125880), (8, 2344410), (9, 2083920), (10, 1875528), (12, 1562940), (15, 1250352), (16, 1172205), (18, 1041960), (19, 987120), (20, 937764), (24, 781470), (27, 694640), (30, 625176), (36, 520980), (38, 493560), (40, 468882), (45, 416784), (48, 390735), (54, 347320), (57, 329040), (60, 312588), (72, 260490), (76, 246780), (80, 234441), (90, 208392), (95, 197424), (108, 173660), (114, 164520), (120, 156294), (135, 138928), (144, 130245), (152, 123390), (171, 109680), (180, 104196), (190, 98712), (216, 86830), (228, 82260), (240, 78147), (270, 69464), (285, 65808), (304, 61695), (342, 54840), (360, 52098), (380, 49356), (432, 43415), (456, 41130), (457, 41040), (513, 36560), (540, 34732), (570, 32904), (684, 27420), (720, 26049), (760, 24678), (855, 21936), (912, 20565), (914, 20520), (1026, 18280), (1080, 17366), (1140, 16452), (1368, 13710), (1371, 13680), (1520, 12339), (1710, 10968), (1828, 10260), (2052, 9140), (2160, 8683), (2280, 8226), (2285, 8208), (2565, 7312), (2736, 6855), (2742, 6840), (3420, 5484), (3656, 5130), (4104, 4570), (4113, 4560)]