1566391880

素因数分解:

$2^3\times 5^1\times {\mathrm{41}}^1\times {\mathrm{619}}^1\times {\mathrm{1543}}^1$

素因数の和:2214

約数の個数: 64

約数和(自身を含む): 3618518400

約数和(自身を除く): 2052126520

約数列:

[1, 2, 4, 5, 8, 10, 20, 40, 41, 82, 164, 205, 328, 410, 619, 820, 1238, 1543, 1640, 2476, 3086, 3095, 4952, 6172, 6190, 7715, 12344, 12380, 15430, 24760, 25379, 30860, 50758, 61720, 63263, 101516, 126526, 126895, 203032, 253052, 253790, 316315, 506104, 507580, 632630, 955117, 1015160, 1265260, 1910234, 2530520, 3820468, 4775585, 7640936, 9551170, 19102340, 38204680, 39159797, 78319594, 156639188, 195798985, 313278376, 391597970, 783195940, 1566391880]

約数ペア:

[(1, 1566391880), (2, 783195940), (4, 391597970), (5, 313278376), (8, 195798985), (10, 156639188), (20, 78319594), (40, 39159797), (41, 38204680), (82, 19102340), (164, 9551170), (205, 7640936), (328, 4775585), (410, 3820468), (619, 2530520), (820, 1910234), (1238, 1265260), (1543, 1015160), (1640, 955117), (2476, 632630), (3086, 507580), (3095, 506104), (4952, 316315), (6172, 253790), (6190, 253052), (7715, 203032), (12344, 126895), (12380, 126526), (15430, 101516), (24760, 63263), (25379, 61720), (30860, 50758)]