128974128

素因数分解:

$2^4\times 3^1\times {\mathrm{19}}^1\times {\mathrm{103}}^1\times {\mathrm{1373}}^1$

素因数の和:1506

約数の個数: 80

約数和(自身を含む): 354382080

約数和(自身を除く): 225407952

約数列:

[1, 2, 3, 4, 6, 8, 12, 16, 19, 24, 38, 48, 57, 76, 103, 114, 152, 206, 228, 304, 309, 412, 456, 618, 824, 912, 1236, 1373, 1648, 1957, 2472, 2746, 3914, 4119, 4944, 5492, 5871, 7828, 8238, 10984, 11742, 15656, 16476, 21968, 23484, 26087, 31312, 32952, 46968, 52174, 65904, 78261, 93936, 104348, 141419, 156522, 208696, 282838, 313044, 417392, 424257, 565676, 626088, 848514, 1131352, 1252176, 1697028, 2262704, 2686961, 3394056, 5373922, 6788112, 8060883, 10747844, 16121766, 21495688, 32243532, 42991376, 64487064, 128974128]

約数ペア:

[(1, 128974128), (2, 64487064), (3, 42991376), (4, 32243532), (6, 21495688), (8, 16121766), (12, 10747844), (16, 8060883), (19, 6788112), (24, 5373922), (38, 3394056), (48, 2686961), (57, 2262704), (76, 1697028), (103, 1252176), (114, 1131352), (152, 848514), (206, 626088), (228, 565676), (304, 424257), (309, 417392), (412, 313044), (456, 282838), (618, 208696), (824, 156522), (912, 141419), (1236, 104348), (1373, 93936), (1648, 78261), (1957, 65904), (2472, 52174), (2746, 46968), (3914, 32952), (4119, 31312), (4944, 26087), (5492, 23484), (5871, 21968), (7828, 16476), (8238, 15656), (10984, 11742)]