2064240

素因数分解:

$2^4\times 3^2\times 5^1\times {\mathrm{47}}^1\times {\mathrm{61}}^1$

素因数の和:127

約数の個数: 120

約数和(自身を含む): 7195968

約数和(自身を除く): 5131728

約数列:

[1, 2, 3, 4, 5, 6, 8, 9, 10, 12, 15, 16, 18, 20, 24, 30, 36, 40, 45, 47, 48, 60, 61, 72, 80, 90, 94, 120, 122, 141, 144, 180, 183, 188, 235, 240, 244, 282, 305, 360, 366, 376, 423, 470, 488, 549, 564, 610, 705, 720, 732, 752, 846, 915, 940, 976, 1098, 1128, 1220, 1410, 1464, 1692, 1830, 1880, 2115, 2196, 2256, 2440, 2745, 2820, 2867, 2928, 3384, 3660, 3760, 4230, 4392, 4880, 5490, 5640, 5734, 6768, 7320, 8460, 8601, 8784, 10980, 11280, 11468, 14335, 14640, 16920, 17202, 21960, 22936, 25803, 28670, 33840, 34404, 43005, 43920, 45872, 51606, 57340, 68808, 86010, 103212, 114680, 129015, 137616, 172020, 206424, 229360, 258030, 344040, 412848, 516060, 688080, 1032120, 2064240]

約数ペア:

[(1, 2064240), (2, 1032120), (3, 688080), (4, 516060), (5, 412848), (6, 344040), (8, 258030), (9, 229360), (10, 206424), (12, 172020), (15, 137616), (16, 129015), (18, 114680), (20, 103212), (24, 86010), (30, 68808), (36, 57340), (40, 51606), (45, 45872), (47, 43920), (48, 43005), (60, 34404), (61, 33840), (72, 28670), (80, 25803), (90, 22936), (94, 21960), (120, 17202), (122, 16920), (141, 14640), (144, 14335), (180, 11468), (183, 11280), (188, 10980), (235, 8784), (240, 8601), (244, 8460), (282, 7320), (305, 6768), (360, 5734), (366, 5640), (376, 5490), (423, 4880), (470, 4392), (488, 4230), (549, 3760), (564, 3660), (610, 3384), (705, 2928), (720, 2867), (732, 2820), (752, 2745), (846, 2440), (915, 2256), (940, 2196), (976, 2115), (1098, 1880), (1128, 1830), (1220, 1692), (1410, 1464)]