80937828

素因数分解:

$2^2\times 3^2\times {\mathrm{23}}^1\times {\mathrm{239}}^1\times {\mathrm{409}}^1$

素因数の和:681

約数の個数: 72

約数和(自身を含む): 214905600

約数和(自身を除く): 133967772

約数列:

[1, 2, 3, 4, 6, 9, 12, 18, 23, 36, 46, 69, 92, 138, 207, 239, 276, 409, 414, 478, 717, 818, 828, 956, 1227, 1434, 1636, 2151, 2454, 2868, 3681, 4302, 4908, 5497, 7362, 8604, 9407, 10994, 14724, 16491, 18814, 21988, 28221, 32982, 37628, 49473, 56442, 65964, 84663, 97751, 98946, 112884, 169326, 195502, 197892, 293253, 338652, 391004, 586506, 879759, 1173012, 1759518, 2248273, 3519036, 4496546, 6744819, 8993092, 13489638, 20234457, 26979276, 40468914, 80937828]

約数ペア:

[(1, 80937828), (2, 40468914), (3, 26979276), (4, 20234457), (6, 13489638), (9, 8993092), (12, 6744819), (18, 4496546), (23, 3519036), (36, 2248273), (46, 1759518), (69, 1173012), (92, 879759), (138, 586506), (207, 391004), (239, 338652), (276, 293253), (409, 197892), (414, 195502), (478, 169326), (717, 112884), (818, 98946), (828, 97751), (956, 84663), (1227, 65964), (1434, 56442), (1636, 49473), (2151, 37628), (2454, 32982), (2868, 28221), (3681, 21988), (4302, 18814), (4908, 16491), (5497, 14724), (7362, 10994), (8604, 9407)]