161220928

素因数分解:

$2^6\times {\mathrm{11}}^1\times {\mathrm{17}}^1\times {\mathrm{19}}^1\times {\mathrm{709}}^1$

素因数の和:768

約数の個数: 112

約数和(自身を含む): 389534400

約数和(自身を除く): 228313472

約数列:

[1, 2, 4, 8, 11, 16, 17, 19, 22, 32, 34, 38, 44, 64, 68, 76, 88, 136, 152, 176, 187, 209, 272, 304, 323, 352, 374, 418, 544, 608, 646, 704, 709, 748, 836, 1088, 1216, 1292, 1418, 1496, 1672, 2584, 2836, 2992, 3344, 3553, 5168, 5672, 5984, 6688, 7106, 7799, 10336, 11344, 11968, 12053, 13376, 13471, 14212, 15598, 20672, 22688, 24106, 26942, 28424, 31196, 45376, 48212, 53884, 56848, 62392, 96424, 107768, 113696, 124784, 132583, 148181, 192848, 215536, 227392, 229007, 249568, 265166, 296362, 385696, 431072, 458014, 499136, 530332, 592724, 771392, 862144, 916028, 1060664, 1185448, 1832056, 2121328, 2370896, 2519077, 3664112, 4242656, 4741792, 5038154, 7328224, 8485312, 9483584, 10076308, 14656448, 20152616, 40305232, 80610464, 161220928]

約数ペア:

[(1, 161220928), (2, 80610464), (4, 40305232), (8, 20152616), (11, 14656448), (16, 10076308), (17, 9483584), (19, 8485312), (22, 7328224), (32, 5038154), (34, 4741792), (38, 4242656), (44, 3664112), (64, 2519077), (68, 2370896), (76, 2121328), (88, 1832056), (136, 1185448), (152, 1060664), (176, 916028), (187, 862144), (209, 771392), (272, 592724), (304, 530332), (323, 499136), (352, 458014), (374, 431072), (418, 385696), (544, 296362), (608, 265166), (646, 249568), (704, 229007), (709, 227392), (748, 215536), (836, 192848), (1088, 148181), (1216, 132583), (1292, 124784), (1418, 113696), (1496, 107768), (1672, 96424), (2584, 62392), (2836, 56848), (2992, 53884), (3344, 48212), (3553, 45376), (5168, 31196), (5672, 28424), (5984, 26942), (6688, 24106), (7106, 22688), (7799, 20672), (10336, 15598), (11344, 14212), (11968, 13471), (12053, 13376)]