123907840

素因数分解:

$2^8\times 5^1\times 7^1\times {\mathrm{13829}}^1$

素因数の和:13857

約数の個数: 72

約数和(自身を含む): 339222240

約数和(自身を除く): 215314400

約数列:

[1, 2, 4, 5, 7, 8, 10, 14, 16, 20, 28, 32, 35, 40, 56, 64, 70, 80, 112, 128, 140, 160, 224, 256, 280, 320, 448, 560, 640, 896, 1120, 1280, 1792, 2240, 4480, 8960, 13829, 27658, 55316, 69145, 96803, 110632, 138290, 193606, 221264, 276580, 387212, 442528, 484015, 553160, 774424, 885056, 968030, 1106320, 1548848, 1770112, 1936060, 2212640, 3097696, 3540224, 3872120, 4425280, 6195392, 7744240, 8850560, 12390784, 15488480, 17701120, 24781568, 30976960, 61953920, 123907840]

約数ペア:

[(1, 123907840), (2, 61953920), (4, 30976960), (5, 24781568), (7, 17701120), (8, 15488480), (10, 12390784), (14, 8850560), (16, 7744240), (20, 6195392), (28, 4425280), (32, 3872120), (35, 3540224), (40, 3097696), (56, 2212640), (64, 1936060), (70, 1770112), (80, 1548848), (112, 1106320), (128, 968030), (140, 885056), (160, 774424), (224, 553160), (256, 484015), (280, 442528), (320, 387212), (448, 276580), (560, 221264), (640, 193606), (896, 138290), (1120, 110632), (1280, 96803), (1792, 69145), (2240, 55316), (4480, 27658), (8960, 13829)]