87402840

素因数分解:

$2^3\times 3^1\times 5^1\times 7^1\times {\mathrm{67}}^1\times {\mathrm{1553}}^1$

素因数の和:1641

約数の個数: 128

約数和(自身を含む): 304335360

約数和(自身を除く): 216932520

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, 67, 70, 84, 105, 120, 134, 140, 168, 201, 210, 268, 280, 335, 402, 420, 469, 536, 670, 804, 840, 938, 1005, 1340, 1407, 1553, 1608, 1876, 2010, 2345, 2680, 2814, 3106, 3752, 4020, 4659, 4690, 5628, 6212, 7035, 7765, 8040, 9318, 9380, 10871, 11256, 12424, 14070, 15530, 18636, 18760, 21742, 23295, 28140, 31060, 32613, 37272, 43484, 46590, 54355, 56280, 62120, 65226, 86968, 93180, 104051, 108710, 130452, 163065, 186360, 208102, 217420, 260904, 312153, 326130, 416204, 434840, 520255, 624306, 652260, 728357, 832408, 1040510, 1248612, 1304520, 1456714, 1560765, 2081020, 2185071, 2497224, 2913428, 3121530, 3641785, 4162040, 4370142, 5826856, 6243060, 7283570, 8740284, 10925355, 12486120, 14567140, 17480568, 21850710, 29134280, 43701420, 87402840]

約数ペア:

[(1, 87402840), (2, 43701420), (3, 29134280), (4, 21850710), (5, 17480568), (6, 14567140), (7, 12486120), (8, 10925355), (10, 8740284), (12, 7283570), (14, 6243060), (15, 5826856), (20, 4370142), (21, 4162040), (24, 3641785), (28, 3121530), (30, 2913428), (35, 2497224), (40, 2185071), (42, 2081020), (56, 1560765), (60, 1456714), (67, 1304520), (70, 1248612), (84, 1040510), (105, 832408), (120, 728357), (134, 652260), (140, 624306), (168, 520255), (201, 434840), (210, 416204), (268, 326130), (280, 312153), (335, 260904), (402, 217420), (420, 208102), (469, 186360), (536, 163065), (670, 130452), (804, 108710), (840, 104051), (938, 93180), (1005, 86968), (1340, 65226), (1407, 62120), (1553, 56280), (1608, 54355), (1876, 46590), (2010, 43484), (2345, 37272), (2680, 32613), (2814, 31060), (3106, 28140), (3752, 23295), (4020, 21742), (4659, 18760), (4690, 18636), (5628, 15530), (6212, 14070), (7035, 12424), (7765, 11256), (8040, 10871), (9318, 9380)]