1917840

素因数分解:

$2^4\times 3^1\times 5^1\times {\mathrm{61}}^1\times {\mathrm{131}}^1$

素因数の和:208

約数の個数: 80

約数和(自身を含む): 6088896

約数和(自身を除く): 4171056

約数列:

[1, 2, 3, 4, 5, 6, 8, 10, 12, 15, 16, 20, 24, 30, 40, 48, 60, 61, 80, 120, 122, 131, 183, 240, 244, 262, 305, 366, 393, 488, 524, 610, 655, 732, 786, 915, 976, 1048, 1220, 1310, 1464, 1572, 1830, 1965, 2096, 2440, 2620, 2928, 3144, 3660, 3930, 4880, 5240, 6288, 7320, 7860, 7991, 10480, 14640, 15720, 15982, 23973, 31440, 31964, 39955, 47946, 63928, 79910, 95892, 119865, 127856, 159820, 191784, 239730, 319640, 383568, 479460, 639280, 958920, 1917840]

約数ペア:

[(1, 1917840), (2, 958920), (3, 639280), (4, 479460), (5, 383568), (6, 319640), (8, 239730), (10, 191784), (12, 159820), (15, 127856), (16, 119865), (20, 95892), (24, 79910), (30, 63928), (40, 47946), (48, 39955), (60, 31964), (61, 31440), (80, 23973), (120, 15982), (122, 15720), (131, 14640), (183, 10480), (240, 7991), (244, 7860), (262, 7320), (305, 6288), (366, 5240), (393, 4880), (488, 3930), (524, 3660), (610, 3144), (655, 2928), (732, 2620), (786, 2440), (915, 2096), (976, 1965), (1048, 1830), (1220, 1572), (1310, 1464)]