18745440

素因数分解:

$2^5\times 3^1\times 5^1\times 7^2\times {\mathrm{797}}^1$

素因数の和:829

約数の個数: 144

約数和(自身を含む): 68774832

約数和(自身を除く): 50029392

約数列:

[1, 2, 3, 4, 5, 6, 7, 8, 10, 12, 14, 15, 16, 20, 21, 24, 28, 30, 32, 35, 40, 42, 48, 49, 56, 60, 70, 80, 84, 96, 98, 105, 112, 120, 140, 147, 160, 168, 196, 210, 224, 240, 245, 280, 294, 336, 392, 420, 480, 490, 560, 588, 672, 735, 784, 797, 840, 980, 1120, 1176, 1470, 1568, 1594, 1680, 1960, 2352, 2391, 2940, 3188, 3360, 3920, 3985, 4704, 4782, 5579, 5880, 6376, 7840, 7970, 9564, 11158, 11760, 11955, 12752, 15940, 16737, 19128, 22316, 23520, 23910, 25504, 27895, 31880, 33474, 38256, 39053, 44632, 47820, 55790, 63760, 66948, 76512, 78106, 83685, 89264, 95640, 111580, 117159, 127520, 133896, 156212, 167370, 178528, 191280, 195265, 223160, 234318, 267792, 312424, 334740, 382560, 390530, 446320, 468636, 535584, 585795, 624848, 669480, 781060, 892640, 937272, 1171590, 1249696, 1338960, 1562120, 1874544, 2343180, 2677920, 3124240, 3749088, 4686360, 6248480, 9372720, 18745440]

約数ペア:

[(1, 18745440), (2, 9372720), (3, 6248480), (4, 4686360), (5, 3749088), (6, 3124240), (7, 2677920), (8, 2343180), (10, 1874544), (12, 1562120), (14, 1338960), (15, 1249696), (16, 1171590), (20, 937272), (21, 892640), (24, 781060), (28, 669480), (30, 624848), (32, 585795), (35, 535584), (40, 468636), (42, 446320), (48, 390530), (49, 382560), (56, 334740), (60, 312424), (70, 267792), (80, 234318), (84, 223160), (96, 195265), (98, 191280), (105, 178528), (112, 167370), (120, 156212), (140, 133896), (147, 127520), (160, 117159), (168, 111580), (196, 95640), (210, 89264), (224, 83685), (240, 78106), (245, 76512), (280, 66948), (294, 63760), (336, 55790), (392, 47820), (420, 44632), (480, 39053), (490, 38256), (560, 33474), (588, 31880), (672, 27895), (735, 25504), (784, 23910), (797, 23520), (840, 22316), (980, 19128), (1120, 16737), (1176, 15940), (1470, 12752), (1568, 11955), (1594, 11760), (1680, 11158), (1960, 9564), (2352, 7970), (2391, 7840), (2940, 6376), (3188, 5880), (3360, 5579), (3920, 4782), (3985, 4704)]