64169920

素因数分解:

$2^6\times 5^1\times {\mathrm{41}}^1\times {\mathrm{67}}^1\times {\mathrm{73}}^1$

素因数の和:198

約数の個数: 112

約数和(自身を含む): 161044128

約数和(自身を除く): 96874208

約数列:

[1, 2, 4, 5, 8, 10, 16, 20, 32, 40, 41, 64, 67, 73, 80, 82, 134, 146, 160, 164, 205, 268, 292, 320, 328, 335, 365, 410, 536, 584, 656, 670, 730, 820, 1072, 1168, 1312, 1340, 1460, 1640, 2144, 2336, 2624, 2680, 2747, 2920, 2993, 3280, 4288, 4672, 4891, 5360, 5494, 5840, 5986, 6560, 9782, 10720, 10988, 11680, 11972, 13120, 13735, 14965, 19564, 21440, 21976, 23360, 23944, 24455, 27470, 29930, 39128, 43952, 47888, 48910, 54940, 59860, 78256, 87904, 95776, 97820, 109880, 119720, 156512, 175808, 191552, 195640, 200531, 219760, 239440, 313024, 391280, 401062, 439520, 478880, 782560, 802124, 879040, 957760, 1002655, 1565120, 1604248, 2005310, 3208496, 4010620, 6416992, 8021240, 12833984, 16042480, 32084960, 64169920]

約数ペア:

[(1, 64169920), (2, 32084960), (4, 16042480), (5, 12833984), (8, 8021240), (10, 6416992), (16, 4010620), (20, 3208496), (32, 2005310), (40, 1604248), (41, 1565120), (64, 1002655), (67, 957760), (73, 879040), (80, 802124), (82, 782560), (134, 478880), (146, 439520), (160, 401062), (164, 391280), (205, 313024), (268, 239440), (292, 219760), (320, 200531), (328, 195640), (335, 191552), (365, 175808), (410, 156512), (536, 119720), (584, 109880), (656, 97820), (670, 95776), (730, 87904), (820, 78256), (1072, 59860), (1168, 54940), (1312, 48910), (1340, 47888), (1460, 43952), (1640, 39128), (2144, 29930), (2336, 27470), (2624, 24455), (2680, 23944), (2747, 23360), (2920, 21976), (2993, 21440), (3280, 19564), (4288, 14965), (4672, 13735), (4891, 13120), (5360, 11972), (5494, 11680), (5840, 10988), (5986, 10720), (6560, 9782)]