144481720

素因数分解:

$2^3\times 5^1\times {\mathrm{43}}^1\times {\mathrm{167}}^1\times {\mathrm{503}}^1$

素因数の和:724

約数の個数: 64

約数和(自身を含む): 335301120

約数和(自身を除く): 190819400

約数列:

[1, 2, 4, 5, 8, 10, 20, 40, 43, 86, 167, 172, 215, 334, 344, 430, 503, 668, 835, 860, 1006, 1336, 1670, 1720, 2012, 2515, 3340, 4024, 5030, 6680, 7181, 10060, 14362, 20120, 21629, 28724, 35905, 43258, 57448, 71810, 84001, 86516, 108145, 143620, 168002, 173032, 216290, 287240, 336004, 420005, 432580, 672008, 840010, 865160, 1680020, 3360040, 3612043, 7224086, 14448172, 18060215, 28896344, 36120430, 72240860, 144481720]

約数ペア:

[(1, 144481720), (2, 72240860), (4, 36120430), (5, 28896344), (8, 18060215), (10, 14448172), (20, 7224086), (40, 3612043), (43, 3360040), (86, 1680020), (167, 865160), (172, 840010), (215, 672008), (334, 432580), (344, 420005), (430, 336004), (503, 287240), (668, 216290), (835, 173032), (860, 168002), (1006, 143620), (1336, 108145), (1670, 86516), (1720, 84001), (2012, 71810), (2515, 57448), (3340, 43258), (4024, 35905), (5030, 28724), (6680, 21629), (7181, 20120), (10060, 14362)]