81418032

素因数分解:

$2^4\times 3^2\times {\mathrm{17}}^1\times {\mathrm{79}}^1\times {\mathrm{421}}^1$

素因数の和:531

約数の個数: 120

約数和(自身を含む): 244895040

約数和(自身を除く): 163477008

約数列:

[1, 2, 3, 4, 6, 8, 9, 12, 16, 17, 18, 24, 34, 36, 48, 51, 68, 72, 79, 102, 136, 144, 153, 158, 204, 237, 272, 306, 316, 408, 421, 474, 612, 632, 711, 816, 842, 948, 1224, 1263, 1264, 1343, 1422, 1684, 1896, 2448, 2526, 2686, 2844, 3368, 3789, 3792, 4029, 5052, 5372, 5688, 6736, 7157, 7578, 8058, 10104, 10744, 11376, 12087, 14314, 15156, 16116, 20208, 21471, 21488, 24174, 28628, 30312, 32232, 33259, 42942, 48348, 57256, 60624, 64413, 64464, 66518, 85884, 96696, 99777, 114512, 128826, 133036, 171768, 193392, 199554, 257652, 266072, 299331, 343536, 399108, 515304, 532144, 565403, 598662, 798216, 1030608, 1130806, 1197324, 1596432, 1696209, 2261612, 2394648, 3392418, 4523224, 4789296, 5088627, 6784836, 9046448, 10177254, 13569672, 20354508, 27139344, 40709016, 81418032]

約数ペア:

[(1, 81418032), (2, 40709016), (3, 27139344), (4, 20354508), (6, 13569672), (8, 10177254), (9, 9046448), (12, 6784836), (16, 5088627), (17, 4789296), (18, 4523224), (24, 3392418), (34, 2394648), (36, 2261612), (48, 1696209), (51, 1596432), (68, 1197324), (72, 1130806), (79, 1030608), (102, 798216), (136, 598662), (144, 565403), (153, 532144), (158, 515304), (204, 399108), (237, 343536), (272, 299331), (306, 266072), (316, 257652), (408, 199554), (421, 193392), (474, 171768), (612, 133036), (632, 128826), (711, 114512), (816, 99777), (842, 96696), (948, 85884), (1224, 66518), (1263, 64464), (1264, 64413), (1343, 60624), (1422, 57256), (1684, 48348), (1896, 42942), (2448, 33259), (2526, 32232), (2686, 30312), (2844, 28628), (3368, 24174), (3789, 21488), (3792, 21471), (4029, 20208), (5052, 16116), (5372, 15156), (5688, 14314), (6736, 12087), (7157, 11376), (7578, 10744), (8058, 10104)]