20057867520

素因数分解:

$2^8\times 3^1\times 5^1\times {\mathrm{17}}^1\times {\mathrm{307259}}^1$

素因数の和:307300

約数の個数: 144

約数和(自身を含む): 67828259520

約数和(自身を除く): 47770392000

約数列:

[1, 2, 3, 4, 5, 6, 8, 10, 12, 15, 16, 17, 20, 24, 30, 32, 34, 40, 48, 51, 60, 64, 68, 80, 85, 96, 102, 120, 128, 136, 160, 170, 192, 204, 240, 255, 256, 272, 320, 340, 384, 408, 480, 510, 544, 640, 680, 768, 816, 960, 1020, 1088, 1280, 1360, 1632, 1920, 2040, 2176, 2720, 3264, 3840, 4080, 4352, 5440, 6528, 8160, 10880, 13056, 16320, 21760, 32640, 65280, 307259, 614518, 921777, 1229036, 1536295, 1843554, 2458072, 3072590, 3687108, 4608885, 4916144, 5223403, 6145180, 7374216, 9217770, 9832288, 10446806, 12290360, 14748432, 15670209, 18435540, 19664576, 20893612, 24580720, 26117015, 29496864, 31340418, 36871080, 39329152, 41787224, 49161440, 52234030, 58993728, 62680836, 73742160, 78351045, 78658304, 83574448, 98322880, 104468060, 117987456, 125361672, 147484320, 156702090, 167148896, 196645760, 208936120, 235974912, 250723344, 294968640, 313404180, 334297792, 393291520, 417872240, 501446688, 589937280, 626808360, 668595584, 835744480, 1002893376, 1179874560, 1253616720, 1337191168, 1671488960, 2005786752, 2507233440, 3342977920, 4011573504, 5014466880, 6685955840, 10028933760, 20057867520]

約数ペア:

[(1, 20057867520), (2, 10028933760), (3, 6685955840), (4, 5014466880), (5, 4011573504), (6, 3342977920), (8, 2507233440), (10, 2005786752), (12, 1671488960), (15, 1337191168), (16, 1253616720), (17, 1179874560), (20, 1002893376), (24, 835744480), (30, 668595584), (32, 626808360), (34, 589937280), (40, 501446688), (48, 417872240), (51, 393291520), (60, 334297792), (64, 313404180), (68, 294968640), (80, 250723344), (85, 235974912), (96, 208936120), (102, 196645760), (120, 167148896), (128, 156702090), (136, 147484320), (160, 125361672), (170, 117987456), (192, 104468060), (204, 98322880), (240, 83574448), (255, 78658304), (256, 78351045), (272, 73742160), (320, 62680836), (340, 58993728), (384, 52234030), (408, 49161440), (480, 41787224), (510, 39329152), (544, 36871080), (640, 31340418), (680, 29496864), (768, 26117015), (816, 24580720), (960, 20893612), (1020, 19664576), (1088, 18435540), (1280, 15670209), (1360, 14748432), (1632, 12290360), (1920, 10446806), (2040, 9832288), (2176, 9217770), (2720, 7374216), (3264, 6145180), (3840, 5223403), (4080, 4916144), (4352, 4608885), (5440, 3687108), (6528, 3072590), (8160, 2458072), (10880, 1843554), (13056, 1536295), (16320, 1229036), (21760, 921777), (32640, 614518), (65280, 307259)]