79720072

素因数分解:

$2^3\times {\mathrm{17}}^2\times {\mathrm{29}}^2\times {\mathrm{41}}^1$

素因数の和:139

約数の個数: 72

約数和(自身を含む): 168460110

約数和(自身を除く): 88740038

約数列:

[1, 2, 4, 8, 17, 29, 34, 41, 58, 68, 82, 116, 136, 164, 232, 289, 328, 493, 578, 697, 841, 986, 1156, 1189, 1394, 1682, 1972, 2312, 2378, 2788, 3364, 3944, 4756, 5576, 6728, 8381, 9512, 11849, 14297, 16762, 20213, 23698, 28594, 33524, 34481, 40426, 47396, 57188, 67048, 68962, 80852, 94792, 114376, 137924, 161704, 243049, 275848, 343621, 486098, 586177, 687242, 972196, 1172354, 1374484, 1944392, 2344708, 2748968, 4689416, 9965009, 19930018, 39860036, 79720072]

約数ペア:

[(1, 79720072), (2, 39860036), (4, 19930018), (8, 9965009), (17, 4689416), (29, 2748968), (34, 2344708), (41, 1944392), (58, 1374484), (68, 1172354), (82, 972196), (116, 687242), (136, 586177), (164, 486098), (232, 343621), (289, 275848), (328, 243049), (493, 161704), (578, 137924), (697, 114376), (841, 94792), (986, 80852), (1156, 68962), (1189, 67048), (1394, 57188), (1682, 47396), (1972, 40426), (2312, 34481), (2378, 33524), (2788, 28594), (3364, 23698), (3944, 20213), (4756, 16762), (5576, 14297), (6728, 11849), (8381, 9512)]