81060420

素因数分解:

$2^2\times 3^1\times 5^1\times 7^1\times {\mathrm{17}}^1\times {\mathrm{11353}}^1$

素因数の和:11389

約数の個数: 96

約数和(自身を含む): 274675968

約数和(自身を除く): 193615548

約数列:

[1, 2, 3, 4, 5, 6, 7, 10, 12, 14, 15, 17, 20, 21, 28, 30, 34, 35, 42, 51, 60, 68, 70, 84, 85, 102, 105, 119, 140, 170, 204, 210, 238, 255, 340, 357, 420, 476, 510, 595, 714, 1020, 1190, 1428, 1785, 2380, 3570, 7140, 11353, 22706, 34059, 45412, 56765, 68118, 79471, 113530, 136236, 158942, 170295, 193001, 227060, 238413, 317884, 340590, 386002, 397355, 476826, 579003, 681180, 772004, 794710, 953652, 965005, 1158006, 1192065, 1351007, 1589420, 1930010, 2316012, 2384130, 2702014, 2895015, 3860020, 4053021, 4768260, 5404028, 5790030, 6755035, 8106042, 11580060, 13510070, 16212084, 20265105, 27020140, 40530210, 81060420]

約数ペア:

[(1, 81060420), (2, 40530210), (3, 27020140), (4, 20265105), (5, 16212084), (6, 13510070), (7, 11580060), (10, 8106042), (12, 6755035), (14, 5790030), (15, 5404028), (17, 4768260), (20, 4053021), (21, 3860020), (28, 2895015), (30, 2702014), (34, 2384130), (35, 2316012), (42, 1930010), (51, 1589420), (60, 1351007), (68, 1192065), (70, 1158006), (84, 965005), (85, 953652), (102, 794710), (105, 772004), (119, 681180), (140, 579003), (170, 476826), (204, 397355), (210, 386002), (238, 340590), (255, 317884), (340, 238413), (357, 227060), (420, 193001), (476, 170295), (510, 158942), (595, 136236), (714, 113530), (1020, 79471), (1190, 68118), (1428, 56765), (1785, 45412), (2380, 34059), (3570, 22706), (7140, 11353)]