81626784

素因数分解:

$2^5\times 3^1\times {\mathrm{53}}^1\times {\mathrm{61}}^1\times {\mathrm{263}}^1$

素因数の和:390

約数の個数: 96

約数和(自身を含む): 222735744

約数和(自身を除く): 141108960

約数列:

[1, 2, 3, 4, 6, 8, 12, 16, 24, 32, 48, 53, 61, 96, 106, 122, 159, 183, 212, 244, 263, 318, 366, 424, 488, 526, 636, 732, 789, 848, 976, 1052, 1272, 1464, 1578, 1696, 1952, 2104, 2544, 2928, 3156, 3233, 4208, 5088, 5856, 6312, 6466, 8416, 9699, 12624, 12932, 13939, 16043, 19398, 25248, 25864, 27878, 32086, 38796, 41817, 48129, 51728, 55756, 64172, 77592, 83634, 96258, 103456, 111512, 128344, 155184, 167268, 192516, 223024, 256688, 310368, 334536, 385032, 446048, 513376, 669072, 770064, 850279, 1338144, 1540128, 1700558, 2550837, 3401116, 5101674, 6802232, 10203348, 13604464, 20406696, 27208928, 40813392, 81626784]

約数ペア:

[(1, 81626784), (2, 40813392), (3, 27208928), (4, 20406696), (6, 13604464), (8, 10203348), (12, 6802232), (16, 5101674), (24, 3401116), (32, 2550837), (48, 1700558), (53, 1540128), (61, 1338144), (96, 850279), (106, 770064), (122, 669072), (159, 513376), (183, 446048), (212, 385032), (244, 334536), (263, 310368), (318, 256688), (366, 223024), (424, 192516), (488, 167268), (526, 155184), (636, 128344), (732, 111512), (789, 103456), (848, 96258), (976, 83634), (1052, 77592), (1272, 64172), (1464, 55756), (1578, 51728), (1696, 48129), (1952, 41817), (2104, 38796), (2544, 32086), (2928, 27878), (3156, 25864), (3233, 25248), (4208, 19398), (5088, 16043), (5856, 13939), (6312, 12932), (6466, 12624), (8416, 9699)]