72819160

素因数分解:

$2^3\times 5^1\times {\mathrm{17}}^1\times {\mathrm{173}}^1\times {\mathrm{619}}^1$

素因数の和:820

約数の個数: 64

約数和(自身を含む): 174765600

約数和(自身を除く): 101946440

約数列:

[1, 2, 4, 5, 8, 10, 17, 20, 34, 40, 68, 85, 136, 170, 173, 340, 346, 619, 680, 692, 865, 1238, 1384, 1730, 2476, 2941, 3095, 3460, 4952, 5882, 6190, 6920, 10523, 11764, 12380, 14705, 21046, 23528, 24760, 29410, 42092, 52615, 58820, 84184, 105230, 107087, 117640, 210460, 214174, 420920, 428348, 535435, 856696, 1070870, 1820479, 2141740, 3640958, 4283480, 7281916, 9102395, 14563832, 18204790, 36409580, 72819160]

約数ペア:

[(1, 72819160), (2, 36409580), (4, 18204790), (5, 14563832), (8, 9102395), (10, 7281916), (17, 4283480), (20, 3640958), (34, 2141740), (40, 1820479), (68, 1070870), (85, 856696), (136, 535435), (170, 428348), (173, 420920), (340, 214174), (346, 210460), (619, 117640), (680, 107087), (692, 105230), (865, 84184), (1238, 58820), (1384, 52615), (1730, 42092), (2476, 29410), (2941, 24760), (3095, 23528), (3460, 21046), (4952, 14705), (5882, 12380), (6190, 11764), (6920, 10523)]