69947480

素因数分解:

$2^3\times 5^1\times {\mathrm{61}}^1\times {\mathrm{109}}^1\times {\mathrm{263}}^1$

素因数の和:444

約数の個数: 64

約数和(自身を含む): 162043200

約数和(自身を除く): 92095720

約数列:

[1, 2, 4, 5, 8, 10, 20, 40, 61, 109, 122, 218, 244, 263, 305, 436, 488, 526, 545, 610, 872, 1052, 1090, 1220, 1315, 2104, 2180, 2440, 2630, 4360, 5260, 6649, 10520, 13298, 16043, 26596, 28667, 32086, 33245, 53192, 57334, 64172, 66490, 80215, 114668, 128344, 132980, 143335, 160430, 229336, 265960, 286670, 320860, 573340, 641720, 1146680, 1748687, 3497374, 6994748, 8743435, 13989496, 17486870, 34973740, 69947480]

約数ペア:

[(1, 69947480), (2, 34973740), (4, 17486870), (5, 13989496), (8, 8743435), (10, 6994748), (20, 3497374), (40, 1748687), (61, 1146680), (109, 641720), (122, 573340), (218, 320860), (244, 286670), (263, 265960), (305, 229336), (436, 160430), (488, 143335), (526, 132980), (545, 128344), (610, 114668), (872, 80215), (1052, 66490), (1090, 64172), (1220, 57334), (1315, 53192), (2104, 33245), (2180, 32086), (2440, 28667), (2630, 26596), (4360, 16043), (5260, 13298), (6649, 10520)]