18361360

素因数分解:

$2^4\times 5^1\times {\mathrm{17}}^1\times {\mathrm{23}}^1\times {\mathrm{587}}^1$

素因数の和:640

約数の個数: 80

約数和(自身を含む): 47246976

約数和(自身を除く): 28885616

約数列:

[1, 2, 4, 5, 8, 10, 16, 17, 20, 23, 34, 40, 46, 68, 80, 85, 92, 115, 136, 170, 184, 230, 272, 340, 368, 391, 460, 587, 680, 782, 920, 1174, 1360, 1564, 1840, 1955, 2348, 2935, 3128, 3910, 4696, 5870, 6256, 7820, 9392, 9979, 11740, 13501, 15640, 19958, 23480, 27002, 31280, 39916, 46960, 49895, 54004, 67505, 79832, 99790, 108008, 135010, 159664, 199580, 216016, 229517, 270020, 399160, 459034, 540040, 798320, 918068, 1080080, 1147585, 1836136, 2295170, 3672272, 4590340, 9180680, 18361360]

約数ペア:

[(1, 18361360), (2, 9180680), (4, 4590340), (5, 3672272), (8, 2295170), (10, 1836136), (16, 1147585), (17, 1080080), (20, 918068), (23, 798320), (34, 540040), (40, 459034), (46, 399160), (68, 270020), (80, 229517), (85, 216016), (92, 199580), (115, 159664), (136, 135010), (170, 108008), (184, 99790), (230, 79832), (272, 67505), (340, 54004), (368, 49895), (391, 46960), (460, 39916), (587, 31280), (680, 27002), (782, 23480), (920, 19958), (1174, 15640), (1360, 13501), (1564, 11740), (1840, 9979), (1955, 9392), (2348, 7820), (2935, 6256), (3128, 5870), (3910, 4696)]