128437452

素因数分解:

$2^2\times 3^2\times {\mathrm{11}}^1\times {\mathrm{13}}^1\times {\mathrm{61}}^1\times {\mathrm{409}}^1$

素因数の和:504

約数の個数: 144

約数和(自身を含む): 388620960

約数和(自身を除く): 260183508

約数列:

[1, 2, 3, 4, 6, 9, 11, 12, 13, 18, 22, 26, 33, 36, 39, 44, 52, 61, 66, 78, 99, 117, 122, 132, 143, 156, 183, 198, 234, 244, 286, 366, 396, 409, 429, 468, 549, 572, 671, 732, 793, 818, 858, 1098, 1227, 1287, 1342, 1586, 1636, 1716, 2013, 2196, 2379, 2454, 2574, 2684, 3172, 3681, 4026, 4499, 4758, 4908, 5148, 5317, 6039, 7137, 7362, 8052, 8723, 8998, 9516, 10634, 12078, 13497, 14274, 14724, 15951, 17446, 17996, 21268, 24156, 24949, 26169, 26994, 28548, 31902, 34892, 40491, 47853, 49898, 52338, 53988, 58487, 63804, 74847, 78507, 80982, 95706, 99796, 104676, 116974, 149694, 157014, 161964, 175461, 191412, 224541, 233948, 274439, 299388, 314028, 324337, 350922, 449082, 526383, 548878, 648674, 701844, 823317, 898164, 973011, 1052766, 1097756, 1297348, 1646634, 1946022, 2105532, 2469951, 2919033, 3293268, 3567707, 3892044, 4939902, 5838066, 7135414, 9879804, 10703121, 11676132, 14270828, 21406242, 32109363, 42812484, 64218726, 128437452]

約数ペア:

[(1, 128437452), (2, 64218726), (3, 42812484), (4, 32109363), (6, 21406242), (9, 14270828), (11, 11676132), (12, 10703121), (13, 9879804), (18, 7135414), (22, 5838066), (26, 4939902), (33, 3892044), (36, 3567707), (39, 3293268), (44, 2919033), (52, 2469951), (61, 2105532), (66, 1946022), (78, 1646634), (99, 1297348), (117, 1097756), (122, 1052766), (132, 973011), (143, 898164), (156, 823317), (183, 701844), (198, 648674), (234, 548878), (244, 526383), (286, 449082), (366, 350922), (396, 324337), (409, 314028), (429, 299388), (468, 274439), (549, 233948), (572, 224541), (671, 191412), (732, 175461), (793, 161964), (818, 157014), (858, 149694), (1098, 116974), (1227, 104676), (1287, 99796), (1342, 95706), (1586, 80982), (1636, 78507), (1716, 74847), (2013, 63804), (2196, 58487), (2379, 53988), (2454, 52338), (2574, 49898), (2684, 47853), (3172, 40491), (3681, 34892), (4026, 31902), (4499, 28548), (4758, 26994), (4908, 26169), (5148, 24949), (5317, 24156), (6039, 21268), (7137, 17996), (7362, 17446), (8052, 15951), (8723, 14724), (8998, 14274), (9516, 13497), (10634, 12078)]