1240020

素因数分解:

$2^2\times 3^2\times 5^1\times {\mathrm{83}}^2$

素因数の和:181

約数の個数: 54

約数和(自身を含む): 3807258

約数和(自身を除く): 2567238

約数列:

[1, 2, 3, 4, 5, 6, 9, 10, 12, 15, 18, 20, 30, 36, 45, 60, 83, 90, 166, 180, 249, 332, 415, 498, 747, 830, 996, 1245, 1494, 1660, 2490, 2988, 3735, 4980, 6889, 7470, 13778, 14940, 20667, 27556, 34445, 41334, 62001, 68890, 82668, 103335, 124002, 137780, 206670, 248004, 310005, 413340, 620010, 1240020]

約数ペア:

[(1, 1240020), (2, 620010), (3, 413340), (4, 310005), (5, 248004), (6, 206670), (9, 137780), (10, 124002), (12, 103335), (15, 82668), (18, 68890), (20, 62001), (30, 41334), (36, 34445), (45, 27556), (60, 20667), (83, 14940), (90, 13778), (166, 7470), (180, 6889), (249, 4980), (332, 3735), (415, 2988), (498, 2490), (747, 1660), (830, 1494), (996, 1245)]