3801520

素因数分解:

$2^4\times 5^1\times {\mathrm{19}}^1\times {\mathrm{41}}^1\times {\mathrm{61}}^1$

素因数の和:134

約数の個数: 80

約数和(自身を含む): 9686880

約数和(自身を除く): 5885360

約数列:

[1, 2, 4, 5, 8, 10, 16, 19, 20, 38, 40, 41, 61, 76, 80, 82, 95, 122, 152, 164, 190, 205, 244, 304, 305, 328, 380, 410, 488, 610, 656, 760, 779, 820, 976, 1159, 1220, 1520, 1558, 1640, 2318, 2440, 2501, 3116, 3280, 3895, 4636, 4880, 5002, 5795, 6232, 7790, 9272, 10004, 11590, 12464, 12505, 15580, 18544, 20008, 23180, 25010, 31160, 40016, 46360, 47519, 50020, 62320, 92720, 95038, 100040, 190076, 200080, 237595, 380152, 475190, 760304, 950380, 1900760, 3801520]

約数ペア:

[(1, 3801520), (2, 1900760), (4, 950380), (5, 760304), (8, 475190), (10, 380152), (16, 237595), (19, 200080), (20, 190076), (38, 100040), (40, 95038), (41, 92720), (61, 62320), (76, 50020), (80, 47519), (82, 46360), (95, 40016), (122, 31160), (152, 25010), (164, 23180), (190, 20008), (205, 18544), (244, 15580), (304, 12505), (305, 12464), (328, 11590), (380, 10004), (410, 9272), (488, 7790), (610, 6232), (656, 5795), (760, 5002), (779, 4880), (820, 4636), (976, 3895), (1159, 3280), (1220, 3116), (1520, 2501), (1558, 2440), (1640, 2318)]