140773120

素因数分解:

$2^8\times 5^1\times {\mathrm{71}}^1\times {\mathrm{1549}}^1$

素因数の和:1641

約数の個数: 72

約数和(自身を含む): 342165600

約数和(自身を除く): 201392480

約数列:

[1, 2, 4, 5, 8, 10, 16, 20, 32, 40, 64, 71, 80, 128, 142, 160, 256, 284, 320, 355, 568, 640, 710, 1136, 1280, 1420, 1549, 2272, 2840, 3098, 4544, 5680, 6196, 7745, 9088, 11360, 12392, 15490, 18176, 22720, 24784, 30980, 45440, 49568, 61960, 90880, 99136, 109979, 123920, 198272, 219958, 247840, 396544, 439916, 495680, 549895, 879832, 991360, 1099790, 1759664, 1982720, 2199580, 3519328, 4399160, 7038656, 8798320, 14077312, 17596640, 28154624, 35193280, 70386560, 140773120]

約数ペア:

[(1, 140773120), (2, 70386560), (4, 35193280), (5, 28154624), (8, 17596640), (10, 14077312), (16, 8798320), (20, 7038656), (32, 4399160), (40, 3519328), (64, 2199580), (71, 1982720), (80, 1759664), (128, 1099790), (142, 991360), (160, 879832), (256, 549895), (284, 495680), (320, 439916), (355, 396544), (568, 247840), (640, 219958), (710, 198272), (1136, 123920), (1280, 109979), (1420, 99136), (1549, 90880), (2272, 61960), (2840, 49568), (3098, 45440), (4544, 30980), (5680, 24784), (6196, 22720), (7745, 18176), (9088, 15490), (11360, 12392)]