81364176

素因数分解:

$2^4\times 3^5\times {\mathrm{17}}^1\times {\mathrm{1231}}^1$

素因数の和:1271

約数の個数: 120

約数和(自身を含む): 250233984

約数和(自身を除く): 168869808

約数列:

[1, 2, 3, 4, 6, 8, 9, 12, 16, 17, 18, 24, 27, 34, 36, 48, 51, 54, 68, 72, 81, 102, 108, 136, 144, 153, 162, 204, 216, 243, 272, 306, 324, 408, 432, 459, 486, 612, 648, 816, 918, 972, 1224, 1231, 1296, 1377, 1836, 1944, 2448, 2462, 2754, 3672, 3693, 3888, 4131, 4924, 5508, 7344, 7386, 8262, 9848, 11016, 11079, 14772, 16524, 19696, 20927, 22032, 22158, 29544, 33048, 33237, 41854, 44316, 59088, 62781, 66096, 66474, 83708, 88632, 99711, 125562, 132948, 167416, 177264, 188343, 199422, 251124, 265896, 299133, 334832, 376686, 398844, 502248, 531792, 565029, 598266, 753372, 797688, 1004496, 1130058, 1196532, 1506744, 1595376, 1695087, 2260116, 2393064, 3013488, 3390174, 4520232, 4786128, 5085261, 6780348, 9040464, 10170522, 13560696, 20341044, 27121392, 40682088, 81364176]

約数ペア:

[(1, 81364176), (2, 40682088), (3, 27121392), (4, 20341044), (6, 13560696), (8, 10170522), (9, 9040464), (12, 6780348), (16, 5085261), (17, 4786128), (18, 4520232), (24, 3390174), (27, 3013488), (34, 2393064), (36, 2260116), (48, 1695087), (51, 1595376), (54, 1506744), (68, 1196532), (72, 1130058), (81, 1004496), (102, 797688), (108, 753372), (136, 598266), (144, 565029), (153, 531792), (162, 502248), (204, 398844), (216, 376686), (243, 334832), (272, 299133), (306, 265896), (324, 251124), (408, 199422), (432, 188343), (459, 177264), (486, 167416), (612, 132948), (648, 125562), (816, 99711), (918, 88632), (972, 83708), (1224, 66474), (1231, 66096), (1296, 62781), (1377, 59088), (1836, 44316), (1944, 41854), (2448, 33237), (2462, 33048), (2754, 29544), (3672, 22158), (3693, 22032), (3888, 20927), (4131, 19696), (4924, 16524), (5508, 14772), (7344, 11079), (7386, 11016), (8262, 9848)]