87640920

素因数分解:

$2^3\times 3^3\times 5^1\times {\mathrm{19}}^1\times {\mathrm{4271}}^1$

素因数の和:4310

約数の個数: 128

約数和(自身を含む): 307584000

約数和(自身を除く): 219943080

約数列:

[1, 2, 3, 4, 5, 6, 8, 9, 10, 12, 15, 18, 19, 20, 24, 27, 30, 36, 38, 40, 45, 54, 57, 60, 72, 76, 90, 95, 108, 114, 120, 135, 152, 171, 180, 190, 216, 228, 270, 285, 342, 360, 380, 456, 513, 540, 570, 684, 760, 855, 1026, 1080, 1140, 1368, 1710, 2052, 2280, 2565, 3420, 4104, 4271, 5130, 6840, 8542, 10260, 12813, 17084, 20520, 21355, 25626, 34168, 38439, 42710, 51252, 64065, 76878, 81149, 85420, 102504, 115317, 128130, 153756, 162298, 170840, 192195, 230634, 243447, 256260, 307512, 324596, 384390, 405745, 461268, 486894, 512520, 576585, 649192, 730341, 768780, 811490, 922536, 973788, 1153170, 1217235, 1460682, 1537560, 1622980, 1947576, 2191023, 2306340, 2434470, 2921364, 3245960, 3651705, 4382046, 4612680, 4868940, 5842728, 7303410, 8764092, 9737880, 10955115, 14606820, 17528184, 21910230, 29213640, 43820460, 87640920]

約数ペア:

[(1, 87640920), (2, 43820460), (3, 29213640), (4, 21910230), (5, 17528184), (6, 14606820), (8, 10955115), (9, 9737880), (10, 8764092), (12, 7303410), (15, 5842728), (18, 4868940), (19, 4612680), (20, 4382046), (24, 3651705), (27, 3245960), (30, 2921364), (36, 2434470), (38, 2306340), (40, 2191023), (45, 1947576), (54, 1622980), (57, 1537560), (60, 1460682), (72, 1217235), (76, 1153170), (90, 973788), (95, 922536), (108, 811490), (114, 768780), (120, 730341), (135, 649192), (152, 576585), (171, 512520), (180, 486894), (190, 461268), (216, 405745), (228, 384390), (270, 324596), (285, 307512), (342, 256260), (360, 243447), (380, 230634), (456, 192195), (513, 170840), (540, 162298), (570, 153756), (684, 128130), (760, 115317), (855, 102504), (1026, 85420), (1080, 81149), (1140, 76878), (1368, 64065), (1710, 51252), (2052, 42710), (2280, 38439), (2565, 34168), (3420, 25626), (4104, 21355), (4271, 20520), (5130, 17084), (6840, 12813), (8542, 10260)]