31591680

素因数分解:

$2^8\times 3^1\times 5^1\times {\mathrm{19}}^1\times {\mathrm{433}}^1$

素因数の和:476

約数の個数: 144

約数和(自身を含む): 106451520

約数和(自身を除く): 74859840

約数列:

[1, 2, 3, 4, 5, 6, 8, 10, 12, 15, 16, 19, 20, 24, 30, 32, 38, 40, 48, 57, 60, 64, 76, 80, 95, 96, 114, 120, 128, 152, 160, 190, 192, 228, 240, 256, 285, 304, 320, 380, 384, 433, 456, 480, 570, 608, 640, 760, 768, 866, 912, 960, 1140, 1216, 1280, 1299, 1520, 1732, 1824, 1920, 2165, 2280, 2432, 2598, 3040, 3464, 3648, 3840, 4330, 4560, 4864, 5196, 6080, 6495, 6928, 7296, 8227, 8660, 9120, 10392, 12160, 12990, 13856, 14592, 16454, 17320, 18240, 20784, 24320, 24681, 25980, 27712, 32908, 34640, 36480, 41135, 41568, 49362, 51960, 55424, 65816, 69280, 72960, 82270, 83136, 98724, 103920, 110848, 123405, 131632, 138560, 164540, 166272, 197448, 207840, 246810, 263264, 277120, 329080, 332544, 394896, 415680, 493620, 526528, 554240, 658160, 789792, 831360, 987240, 1053056, 1316320, 1579584, 1662720, 1974480, 2106112, 2632640, 3159168, 3948960, 5265280, 6318336, 7897920, 10530560, 15795840, 31591680]

約数ペア:

[(1, 31591680), (2, 15795840), (3, 10530560), (4, 7897920), (5, 6318336), (6, 5265280), (8, 3948960), (10, 3159168), (12, 2632640), (15, 2106112), (16, 1974480), (19, 1662720), (20, 1579584), (24, 1316320), (30, 1053056), (32, 987240), (38, 831360), (40, 789792), (48, 658160), (57, 554240), (60, 526528), (64, 493620), (76, 415680), (80, 394896), (95, 332544), (96, 329080), (114, 277120), (120, 263264), (128, 246810), (152, 207840), (160, 197448), (190, 166272), (192, 164540), (228, 138560), (240, 131632), (256, 123405), (285, 110848), (304, 103920), (320, 98724), (380, 83136), (384, 82270), (433, 72960), (456, 69280), (480, 65816), (570, 55424), (608, 51960), (640, 49362), (760, 41568), (768, 41135), (866, 36480), (912, 34640), (960, 32908), (1140, 27712), (1216, 25980), (1280, 24681), (1299, 24320), (1520, 20784), (1732, 18240), (1824, 17320), (1920, 16454), (2165, 14592), (2280, 13856), (2432, 12990), (2598, 12160), (3040, 10392), (3464, 9120), (3648, 8660), (3840, 8227), (4330, 7296), (4560, 6928), (4864, 6495), (5196, 6080)]