70986280

素因数分解:

$2^3\times 5^1\times {\mathrm{19}}^1\times {\mathrm{23}}^1\times {\mathrm{31}}^1\times {\mathrm{131}}^1$

素因数の和:215

約数の個数: 128

約数和(自身を含む): 182476800

約数和(自身を除く): 111490520

約数列:

[1, 2, 4, 5, 8, 10, 19, 20, 23, 31, 38, 40, 46, 62, 76, 92, 95, 115, 124, 131, 152, 155, 184, 190, 230, 248, 262, 310, 380, 437, 460, 524, 589, 620, 655, 713, 760, 874, 920, 1048, 1178, 1240, 1310, 1426, 1748, 2185, 2356, 2489, 2620, 2852, 2945, 3013, 3496, 3565, 4061, 4370, 4712, 4978, 5240, 5704, 5890, 6026, 7130, 8122, 8740, 9956, 11780, 12052, 12445, 13547, 14260, 15065, 16244, 17480, 19912, 20305, 23560, 24104, 24890, 27094, 28520, 30130, 32488, 40610, 49780, 54188, 57247, 60260, 67735, 77159, 81220, 93403, 99560, 108376, 114494, 120520, 135470, 154318, 162440, 186806, 228988, 270940, 286235, 308636, 373612, 385795, 457976, 467015, 541880, 572470, 617272, 747224, 771590, 934030, 1144940, 1543180, 1774657, 1868060, 2289880, 3086360, 3549314, 3736120, 7098628, 8873285, 14197256, 17746570, 35493140, 70986280]

約数ペア:

[(1, 70986280), (2, 35493140), (4, 17746570), (5, 14197256), (8, 8873285), (10, 7098628), (19, 3736120), (20, 3549314), (23, 3086360), (31, 2289880), (38, 1868060), (40, 1774657), (46, 1543180), (62, 1144940), (76, 934030), (92, 771590), (95, 747224), (115, 617272), (124, 572470), (131, 541880), (152, 467015), (155, 457976), (184, 385795), (190, 373612), (230, 308636), (248, 286235), (262, 270940), (310, 228988), (380, 186806), (437, 162440), (460, 154318), (524, 135470), (589, 120520), (620, 114494), (655, 108376), (713, 99560), (760, 93403), (874, 81220), (920, 77159), (1048, 67735), (1178, 60260), (1240, 57247), (1310, 54188), (1426, 49780), (1748, 40610), (2185, 32488), (2356, 30130), (2489, 28520), (2620, 27094), (2852, 24890), (2945, 24104), (3013, 23560), (3496, 20305), (3565, 19912), (4061, 17480), (4370, 16244), (4712, 15065), (4978, 14260), (5240, 13547), (5704, 12445), (5890, 12052), (6026, 11780), (7130, 9956), (8122, 8740)]