291201680

素因数分解:

$2^4\times 5^1\times 7^1\times {\mathrm{11}}^1\times {\mathrm{41}}^1\times {\mathrm{1153}}^1$

素因数の和:1225

約数の個数: 160

約数和(自身を含む): 865444608

約数和(自身を除く): 574242928

約数列:

[1, 2, 4, 5, 7, 8, 10, 11, 14, 16, 20, 22, 28, 35, 40, 41, 44, 55, 56, 70, 77, 80, 82, 88, 110, 112, 140, 154, 164, 176, 205, 220, 280, 287, 308, 328, 385, 410, 440, 451, 560, 574, 616, 656, 770, 820, 880, 902, 1148, 1153, 1232, 1435, 1540, 1640, 1804, 2255, 2296, 2306, 2870, 3080, 3157, 3280, 3608, 4510, 4592, 4612, 5740, 5765, 6160, 6314, 7216, 8071, 9020, 9224, 11480, 11530, 12628, 12683, 15785, 16142, 18040, 18448, 22960, 23060, 25256, 25366, 31570, 32284, 36080, 40355, 46120, 47273, 50512, 50732, 63140, 63415, 64568, 80710, 88781, 92240, 94546, 101464, 126280, 126830, 129136, 161420, 177562, 189092, 202928, 236365, 252560, 253660, 322840, 330911, 355124, 378184, 443905, 472730, 507320, 520003, 645680, 661822, 710248, 756368, 887810, 945460, 1014640, 1040006, 1323644, 1420496, 1654555, 1775620, 1890920, 2080012, 2600015, 2647288, 3309110, 3551240, 3640021, 3781840, 4160024, 5200030, 5294576, 6618220, 7102480, 7280042, 8320048, 10400060, 13236440, 14560084, 18200105, 20800120, 26472880, 29120168, 36400210, 41600240, 58240336, 72800420, 145600840, 291201680]

約数ペア:

[(1, 291201680), (2, 145600840), (4, 72800420), (5, 58240336), (7, 41600240), (8, 36400210), (10, 29120168), (11, 26472880), (14, 20800120), (16, 18200105), (20, 14560084), (22, 13236440), (28, 10400060), (35, 8320048), (40, 7280042), (41, 7102480), (44, 6618220), (55, 5294576), (56, 5200030), (70, 4160024), (77, 3781840), (80, 3640021), (82, 3551240), (88, 3309110), (110, 2647288), (112, 2600015), (140, 2080012), (154, 1890920), (164, 1775620), (176, 1654555), (205, 1420496), (220, 1323644), (280, 1040006), (287, 1014640), (308, 945460), (328, 887810), (385, 756368), (410, 710248), (440, 661822), (451, 645680), (560, 520003), (574, 507320), (616, 472730), (656, 443905), (770, 378184), (820, 355124), (880, 330911), (902, 322840), (1148, 253660), (1153, 252560), (1232, 236365), (1435, 202928), (1540, 189092), (1640, 177562), (1804, 161420), (2255, 129136), (2296, 126830), (2306, 126280), (2870, 101464), (3080, 94546), (3157, 92240), (3280, 88781), (3608, 80710), (4510, 64568), (4592, 63415), (4612, 63140), (5740, 50732), (5765, 50512), (6160, 47273), (6314, 46120), (7216, 40355), (8071, 36080), (9020, 32284), (9224, 31570), (11480, 25366), (11530, 25256), (12628, 23060), (12683, 22960), (15785, 18448), (16142, 18040)]