26988780

素因数分解:

$2^2\times 3^1\times 5^1\times 7^1\times {\mathrm{13}}^1\times {\mathrm{4943}}^1$

素因数の和:4975

約数の個数: 96

約数和(自身を含む): 93026304

約数和(自身を除く): 66037524

約数列:

[1, 2, 3, 4, 5, 6, 7, 10, 12, 13, 14, 15, 20, 21, 26, 28, 30, 35, 39, 42, 52, 60, 65, 70, 78, 84, 91, 105, 130, 140, 156, 182, 195, 210, 260, 273, 364, 390, 420, 455, 546, 780, 910, 1092, 1365, 1820, 2730, 4943, 5460, 9886, 14829, 19772, 24715, 29658, 34601, 49430, 59316, 64259, 69202, 74145, 98860, 103803, 128518, 138404, 148290, 173005, 192777, 207606, 257036, 296580, 321295, 346010, 385554, 415212, 449813, 519015, 642590, 692020, 771108, 899626, 963885, 1038030, 1285180, 1349439, 1799252, 1927770, 2076060, 2249065, 2698878, 3855540, 4498130, 5397756, 6747195, 8996260, 13494390, 26988780]

約数ペア:

[(1, 26988780), (2, 13494390), (3, 8996260), (4, 6747195), (5, 5397756), (6, 4498130), (7, 3855540), (10, 2698878), (12, 2249065), (13, 2076060), (14, 1927770), (15, 1799252), (20, 1349439), (21, 1285180), (26, 1038030), (28, 963885), (30, 899626), (35, 771108), (39, 692020), (42, 642590), (52, 519015), (60, 449813), (65, 415212), (70, 385554), (78, 346010), (84, 321295), (91, 296580), (105, 257036), (130, 207606), (140, 192777), (156, 173005), (182, 148290), (195, 138404), (210, 128518), (260, 103803), (273, 98860), (364, 74145), (390, 69202), (420, 64259), (455, 59316), (546, 49430), (780, 34601), (910, 29658), (1092, 24715), (1365, 19772), (1820, 14829), (2730, 9886), (4943, 5460)]