16118640

素因数分解:

$2^4\times 3^2\times 5^1\times {\mathrm{61}}^1\times {\mathrm{367}}^1$

素因数の和:447

約数の個数: 120

約数和(自身を含む): 55169088

約数和(自身を除く): 39050448

約数列:

[1, 2, 3, 4, 5, 6, 8, 9, 10, 12, 15, 16, 18, 20, 24, 30, 36, 40, 45, 48, 60, 61, 72, 80, 90, 120, 122, 144, 180, 183, 240, 244, 305, 360, 366, 367, 488, 549, 610, 720, 732, 734, 915, 976, 1098, 1101, 1220, 1464, 1468, 1830, 1835, 2196, 2202, 2440, 2745, 2928, 2936, 3303, 3660, 3670, 4392, 4404, 4880, 5490, 5505, 5872, 6606, 7320, 7340, 8784, 8808, 10980, 11010, 13212, 14640, 14680, 16515, 17616, 21960, 22020, 22387, 26424, 29360, 33030, 43920, 44040, 44774, 52848, 66060, 67161, 88080, 89548, 111935, 132120, 134322, 179096, 201483, 223870, 264240, 268644, 335805, 358192, 402966, 447740, 537288, 671610, 805932, 895480, 1007415, 1074576, 1343220, 1611864, 1790960, 2014830, 2686440, 3223728, 4029660, 5372880, 8059320, 16118640]

約数ペア:

[(1, 16118640), (2, 8059320), (3, 5372880), (4, 4029660), (5, 3223728), (6, 2686440), (8, 2014830), (9, 1790960), (10, 1611864), (12, 1343220), (15, 1074576), (16, 1007415), (18, 895480), (20, 805932), (24, 671610), (30, 537288), (36, 447740), (40, 402966), (45, 358192), (48, 335805), (60, 268644), (61, 264240), (72, 223870), (80, 201483), (90, 179096), (120, 134322), (122, 132120), (144, 111935), (180, 89548), (183, 88080), (240, 67161), (244, 66060), (305, 52848), (360, 44774), (366, 44040), (367, 43920), (488, 33030), (549, 29360), (610, 26424), (720, 22387), (732, 22020), (734, 21960), (915, 17616), (976, 16515), (1098, 14680), (1101, 14640), (1220, 13212), (1464, 11010), (1468, 10980), (1830, 8808), (1835, 8784), (2196, 7340), (2202, 7320), (2440, 6606), (2745, 5872), (2928, 5505), (2936, 5490), (3303, 4880), (3660, 4404), (3670, 4392)]