78246520

素因数分解:

$2^3\times 5^1\times {\mathrm{11}}^1\times {\mathrm{163}}^1\times {\mathrm{1091}}^1$

素因数の和:1276

約数の個数: 64

約数和(自身を含む): 193415040

約数和(自身を除く): 115168520

約数列:

[1, 2, 4, 5, 8, 10, 11, 20, 22, 40, 44, 55, 88, 110, 163, 220, 326, 440, 652, 815, 1091, 1304, 1630, 1793, 2182, 3260, 3586, 4364, 5455, 6520, 7172, 8728, 8965, 10910, 12001, 14344, 17930, 21820, 24002, 35860, 43640, 48004, 60005, 71720, 96008, 120010, 177833, 240020, 355666, 480040, 711332, 889165, 1422664, 1778330, 1956163, 3556660, 3912326, 7113320, 7824652, 9780815, 15649304, 19561630, 39123260, 78246520]

約数ペア:

[(1, 78246520), (2, 39123260), (4, 19561630), (5, 15649304), (8, 9780815), (10, 7824652), (11, 7113320), (20, 3912326), (22, 3556660), (40, 1956163), (44, 1778330), (55, 1422664), (88, 889165), (110, 711332), (163, 480040), (220, 355666), (326, 240020), (440, 177833), (652, 120010), (815, 96008), (1091, 71720), (1304, 60005), (1630, 48004), (1793, 43640), (2182, 35860), (3260, 24002), (3586, 21820), (4364, 17930), (5455, 14344), (6520, 12001), (7172, 10910), (8728, 8965)]