2388760

素因数分解:

$2^3\times 5^1\times {\mathrm{11}}^1\times {\mathrm{61}}^1\times {\mathrm{89}}^1$

素因数の和:172

約数の個数: 64

約数和(自身を含む): 6026400

約数和(自身を除く): 3637640

約数列:

[1, 2, 4, 5, 8, 10, 11, 20, 22, 40, 44, 55, 61, 88, 89, 110, 122, 178, 220, 244, 305, 356, 440, 445, 488, 610, 671, 712, 890, 979, 1220, 1342, 1780, 1958, 2440, 2684, 3355, 3560, 3916, 4895, 5368, 5429, 6710, 7832, 9790, 10858, 13420, 19580, 21716, 26840, 27145, 39160, 43432, 54290, 59719, 108580, 119438, 217160, 238876, 298595, 477752, 597190, 1194380, 2388760]

約数ペア:

[(1, 2388760), (2, 1194380), (4, 597190), (5, 477752), (8, 298595), (10, 238876), (11, 217160), (20, 119438), (22, 108580), (40, 59719), (44, 54290), (55, 43432), (61, 39160), (88, 27145), (89, 26840), (110, 21716), (122, 19580), (178, 13420), (220, 10858), (244, 9790), (305, 7832), (356, 6710), (440, 5429), (445, 5368), (488, 4895), (610, 3916), (671, 3560), (712, 3355), (890, 2684), (979, 2440), (1220, 1958), (1342, 1780)]