128840784

素因数分解:

$2^4\times 3^1\times {\mathrm{61}}^1\times {\mathrm{79}}^1\times {\mathrm{557}}^1$

素因数の和:708

約数の個数: 80

約数和(自身を含む): 343192320

約数和(自身を除く): 214351536

約数列:

[1, 2, 3, 4, 6, 8, 12, 16, 24, 48, 61, 79, 122, 158, 183, 237, 244, 316, 366, 474, 488, 557, 632, 732, 948, 976, 1114, 1264, 1464, 1671, 1896, 2228, 2928, 3342, 3792, 4456, 4819, 6684, 8912, 9638, 13368, 14457, 19276, 26736, 28914, 33977, 38552, 44003, 57828, 67954, 77104, 88006, 101931, 115656, 132009, 135908, 176012, 203862, 231312, 264018, 271816, 352024, 407724, 528036, 543632, 704048, 815448, 1056072, 1630896, 2112144, 2684183, 5368366, 8052549, 10736732, 16105098, 21473464, 32210196, 42946928, 64420392, 128840784]

約数ペア:

[(1, 128840784), (2, 64420392), (3, 42946928), (4, 32210196), (6, 21473464), (8, 16105098), (12, 10736732), (16, 8052549), (24, 5368366), (48, 2684183), (61, 2112144), (79, 1630896), (122, 1056072), (158, 815448), (183, 704048), (237, 543632), (244, 528036), (316, 407724), (366, 352024), (474, 271816), (488, 264018), (557, 231312), (632, 203862), (732, 176012), (948, 135908), (976, 132009), (1114, 115656), (1264, 101931), (1464, 88006), (1671, 77104), (1896, 67954), (2228, 57828), (2928, 44003), (3342, 38552), (3792, 33977), (4456, 28914), (4819, 26736), (6684, 19276), (8912, 14457), (9638, 13368)]