1238720

素因数分解:

$2^6\times 5^1\times 7^2\times {\mathrm{79}}^1$

素因数の和:110

約数の個数: 84

約数和(自身を含む): 3474720

約数和(自身を除く): 2236000

約数列:

[1, 2, 4, 5, 7, 8, 10, 14, 16, 20, 28, 32, 35, 40, 49, 56, 64, 70, 79, 80, 98, 112, 140, 158, 160, 196, 224, 245, 280, 316, 320, 392, 395, 448, 490, 553, 560, 632, 784, 790, 980, 1106, 1120, 1264, 1568, 1580, 1960, 2212, 2240, 2528, 2765, 3136, 3160, 3871, 3920, 4424, 5056, 5530, 6320, 7742, 7840, 8848, 11060, 12640, 15484, 15680, 17696, 19355, 22120, 25280, 30968, 35392, 38710, 44240, 61936, 77420, 88480, 123872, 154840, 176960, 247744, 309680, 619360, 1238720]

約数ペア:

[(1, 1238720), (2, 619360), (4, 309680), (5, 247744), (7, 176960), (8, 154840), (10, 123872), (14, 88480), (16, 77420), (20, 61936), (28, 44240), (32, 38710), (35, 35392), (40, 30968), (49, 25280), (56, 22120), (64, 19355), (70, 17696), (79, 15680), (80, 15484), (98, 12640), (112, 11060), (140, 8848), (158, 7840), (160, 7742), (196, 6320), (224, 5530), (245, 5056), (280, 4424), (316, 3920), (320, 3871), (392, 3160), (395, 3136), (448, 2765), (490, 2528), (553, 2240), (560, 2212), (632, 1960), (784, 1580), (790, 1568), (980, 1264), (1106, 1120)]