81380112

素因数分解:

$2^4\times 3^1\times {\mathrm{11}}^1\times {\mathrm{79}}^1\times {\mathrm{1951}}^1$

素因数の和:2052

約数の個数: 80

約数和(自身を含む): 232366080

約数和(自身を除く): 150985968

約数列:

[1, 2, 3, 4, 6, 8, 11, 12, 16, 22, 24, 33, 44, 48, 66, 79, 88, 132, 158, 176, 237, 264, 316, 474, 528, 632, 869, 948, 1264, 1738, 1896, 1951, 2607, 3476, 3792, 3902, 5214, 5853, 6952, 7804, 10428, 11706, 13904, 15608, 20856, 21461, 23412, 31216, 41712, 42922, 46824, 64383, 85844, 93648, 128766, 154129, 171688, 257532, 308258, 343376, 462387, 515064, 616516, 924774, 1030128, 1233032, 1695419, 1849548, 2466064, 3390838, 3699096, 5086257, 6781676, 7398192, 10172514, 13563352, 20345028, 27126704, 40690056, 81380112]

約数ペア:

[(1, 81380112), (2, 40690056), (3, 27126704), (4, 20345028), (6, 13563352), (8, 10172514), (11, 7398192), (12, 6781676), (16, 5086257), (22, 3699096), (24, 3390838), (33, 2466064), (44, 1849548), (48, 1695419), (66, 1233032), (79, 1030128), (88, 924774), (132, 616516), (158, 515064), (176, 462387), (237, 343376), (264, 308258), (316, 257532), (474, 171688), (528, 154129), (632, 128766), (869, 93648), (948, 85844), (1264, 64383), (1738, 46824), (1896, 42922), (1951, 41712), (2607, 31216), (3476, 23412), (3792, 21461), (3902, 20856), (5214, 15608), (5853, 13904), (6952, 11706), (7804, 10428)]