77517280

素因数分解:

$2^5\times 5^1\times {\mathrm{17}}^1\times {\mathrm{28499}}^1$

素因数の和:28531

約数の個数: 48

約数和(自身を含む): 193914000

約数和(自身を除く): 116396720

約数列:

[1, 2, 4, 5, 8, 10, 16, 17, 20, 32, 34, 40, 68, 80, 85, 136, 160, 170, 272, 340, 544, 680, 1360, 2720, 28499, 56998, 113996, 142495, 227992, 284990, 455984, 484483, 569980, 911968, 968966, 1139960, 1937932, 2279920, 2422415, 3875864, 4559840, 4844830, 7751728, 9689660, 15503456, 19379320, 38758640, 77517280]

約数ペア:

[(1, 77517280), (2, 38758640), (4, 19379320), (5, 15503456), (8, 9689660), (10, 7751728), (16, 4844830), (17, 4559840), (20, 3875864), (32, 2422415), (34, 2279920), (40, 1937932), (68, 1139960), (80, 968966), (85, 911968), (136, 569980), (160, 484483), (170, 455984), (272, 284990), (340, 227992), (544, 142495), (680, 113996), (1360, 56998), (2720, 28499)]