15391120

素因数分解:

$2^4\times 5^1\times {\mathrm{17}}^1\times {\mathrm{11317}}^1$

素因数の和:11347

約数の個数: 40

約数和(自身を含む): 37892664

約数和(自身を除く): 22501544

約数列:

[1, 2, 4, 5, 8, 10, 16, 17, 20, 34, 40, 68, 80, 85, 136, 170, 272, 340, 680, 1360, 11317, 22634, 45268, 56585, 90536, 113170, 181072, 192389, 226340, 384778, 452680, 769556, 905360, 961945, 1539112, 1923890, 3078224, 3847780, 7695560, 15391120]

約数ペア:

[(1, 15391120), (2, 7695560), (4, 3847780), (5, 3078224), (8, 1923890), (10, 1539112), (16, 961945), (17, 905360), (20, 769556), (34, 452680), (40, 384778), (68, 226340), (80, 192389), (85, 181072), (136, 113170), (170, 90536), (272, 56585), (340, 45268), (680, 22634), (1360, 11317)]