30326520

素因数分解:

$2^3\times 3^1\times 5^1\times 7^1\times {\mathrm{79}}^1\times {\mathrm{457}}^1$

素因数の和:557

約数の個数: 128

約数和(自身を含む): 105523200

約数和(自身を除く): 75196680

約数列:

[1, 2, 3, 4, 5, 6, 7, 8, 10, 12, 14, 15, 20, 21, 24, 28, 30, 35, 40, 42, 56, 60, 70, 79, 84, 105, 120, 140, 158, 168, 210, 237, 280, 316, 395, 420, 457, 474, 553, 632, 790, 840, 914, 948, 1106, 1185, 1371, 1580, 1659, 1828, 1896, 2212, 2285, 2370, 2742, 2765, 3160, 3199, 3318, 3656, 4424, 4570, 4740, 5484, 5530, 6398, 6636, 6855, 8295, 9140, 9480, 9597, 10968, 11060, 12796, 13272, 13710, 15995, 16590, 18280, 19194, 22120, 25592, 27420, 31990, 33180, 36103, 38388, 47985, 54840, 63980, 66360, 72206, 76776, 95970, 108309, 127960, 144412, 180515, 191940, 216618, 252721, 288824, 361030, 383880, 433236, 505442, 541545, 722060, 758163, 866472, 1010884, 1083090, 1263605, 1444120, 1516326, 2021768, 2166180, 2527210, 3032652, 3790815, 4332360, 5054420, 6065304, 7581630, 10108840, 15163260, 30326520]

約数ペア:

[(1, 30326520), (2, 15163260), (3, 10108840), (4, 7581630), (5, 6065304), (6, 5054420), (7, 4332360), (8, 3790815), (10, 3032652), (12, 2527210), (14, 2166180), (15, 2021768), (20, 1516326), (21, 1444120), (24, 1263605), (28, 1083090), (30, 1010884), (35, 866472), (40, 758163), (42, 722060), (56, 541545), (60, 505442), (70, 433236), (79, 383880), (84, 361030), (105, 288824), (120, 252721), (140, 216618), (158, 191940), (168, 180515), (210, 144412), (237, 127960), (280, 108309), (316, 95970), (395, 76776), (420, 72206), (457, 66360), (474, 63980), (553, 54840), (632, 47985), (790, 38388), (840, 36103), (914, 33180), (948, 31990), (1106, 27420), (1185, 25592), (1371, 22120), (1580, 19194), (1659, 18280), (1828, 16590), (1896, 15995), (2212, 13710), (2285, 13272), (2370, 12796), (2742, 11060), (2765, 10968), (3160, 9597), (3199, 9480), (3318, 9140), (3656, 8295), (4424, 6855), (4570, 6636), (4740, 6398), (5484, 5530)]