68818760

素因数分解:

$2^3\times 5^1\times {\mathrm{19}}^1\times {\mathrm{23}}^1\times {\mathrm{31}}^1\times {\mathrm{127}}^1$

素因数の和:211

約数の個数: 128

約数和(自身を含む): 176947200

約数和(自身を除く): 108128440

約数列:

[1, 2, 4, 5, 8, 10, 19, 20, 23, 31, 38, 40, 46, 62, 76, 92, 95, 115, 124, 127, 152, 155, 184, 190, 230, 248, 254, 310, 380, 437, 460, 508, 589, 620, 635, 713, 760, 874, 920, 1016, 1178, 1240, 1270, 1426, 1748, 2185, 2356, 2413, 2540, 2852, 2921, 2945, 3496, 3565, 3937, 4370, 4712, 4826, 5080, 5704, 5842, 5890, 7130, 7874, 8740, 9652, 11684, 11780, 12065, 13547, 14260, 14605, 15748, 17480, 19304, 19685, 23368, 23560, 24130, 27094, 28520, 29210, 31496, 39370, 48260, 54188, 55499, 58420, 67735, 74803, 78740, 90551, 96520, 108376, 110998, 116840, 135470, 149606, 157480, 181102, 221996, 270940, 277495, 299212, 362204, 374015, 443992, 452755, 541880, 554990, 598424, 724408, 748030, 905510, 1109980, 1496060, 1720469, 1811020, 2219960, 2992120, 3440938, 3622040, 6881876, 8602345, 13763752, 17204690, 34409380, 68818760]

約数ペア:

[(1, 68818760), (2, 34409380), (4, 17204690), (5, 13763752), (8, 8602345), (10, 6881876), (19, 3622040), (20, 3440938), (23, 2992120), (31, 2219960), (38, 1811020), (40, 1720469), (46, 1496060), (62, 1109980), (76, 905510), (92, 748030), (95, 724408), (115, 598424), (124, 554990), (127, 541880), (152, 452755), (155, 443992), (184, 374015), (190, 362204), (230, 299212), (248, 277495), (254, 270940), (310, 221996), (380, 181102), (437, 157480), (460, 149606), (508, 135470), (589, 116840), (620, 110998), (635, 108376), (713, 96520), (760, 90551), (874, 78740), (920, 74803), (1016, 67735), (1178, 58420), (1240, 55499), (1270, 54188), (1426, 48260), (1748, 39370), (2185, 31496), (2356, 29210), (2413, 28520), (2540, 27094), (2852, 24130), (2921, 23560), (2945, 23368), (3496, 19685), (3565, 19304), (3937, 17480), (4370, 15748), (4712, 14605), (4826, 14260), (5080, 13547), (5704, 12065), (5842, 11780), (5890, 11684), (7130, 9652), (7874, 8740)]