128723672

素因数分解:

$2^3\times 7^1\times {\mathrm{11}}^4\times {\mathrm{157}}^1$

素因数の和:214

約数の個数: 80

約数和(自身を含む): 305350800

約数和(自身を除く): 176627128

約数列:

[1, 2, 4, 7, 8, 11, 14, 22, 28, 44, 56, 77, 88, 121, 154, 157, 242, 308, 314, 484, 616, 628, 847, 968, 1099, 1256, 1331, 1694, 1727, 2198, 2662, 3388, 3454, 4396, 5324, 6776, 6908, 8792, 9317, 10648, 12089, 13816, 14641, 18634, 18997, 24178, 29282, 37268, 37994, 48356, 58564, 74536, 75988, 96712, 102487, 117128, 132979, 151976, 204974, 208967, 265958, 409948, 417934, 531916, 819896, 835868, 1063832, 1462769, 1671736, 2298637, 2925538, 4597274, 5851076, 9194548, 11702152, 16090459, 18389096, 32180918, 64361836, 128723672]

約数ペア:

[(1, 128723672), (2, 64361836), (4, 32180918), (7, 18389096), (8, 16090459), (11, 11702152), (14, 9194548), (22, 5851076), (28, 4597274), (44, 2925538), (56, 2298637), (77, 1671736), (88, 1462769), (121, 1063832), (154, 835868), (157, 819896), (242, 531916), (308, 417934), (314, 409948), (484, 265958), (616, 208967), (628, 204974), (847, 151976), (968, 132979), (1099, 117128), (1256, 102487), (1331, 96712), (1694, 75988), (1727, 74536), (2198, 58564), (2662, 48356), (3388, 37994), (3454, 37268), (4396, 29282), (5324, 24178), (6776, 18997), (6908, 18634), (8792, 14641), (9317, 13816), (10648, 12089)]