161047320

素因数分解:

$2^3\times 3^1\times 5^1\times 7^2\times {\mathrm{61}}^1\times {\mathrm{449}}^1$

素因数の和:538

約数の個数: 192

約数和(自身を含む): 572508000

約数和(自身を除く): 411460680

約数列:

[1, 2, 3, 4, 5, 6, 7, 8, 10, 12, 14, 15, 20, 21, 24, 28, 30, 35, 40, 42, 49, 56, 60, 61, 70, 84, 98, 105, 120, 122, 140, 147, 168, 183, 196, 210, 244, 245, 280, 294, 305, 366, 392, 420, 427, 449, 488, 490, 588, 610, 732, 735, 840, 854, 898, 915, 980, 1176, 1220, 1281, 1347, 1464, 1470, 1708, 1796, 1830, 1960, 2135, 2245, 2440, 2562, 2694, 2940, 2989, 3143, 3416, 3592, 3660, 4270, 4490, 5124, 5388, 5880, 5978, 6286, 6405, 6735, 7320, 8540, 8967, 8980, 9429, 10248, 10776, 11956, 12572, 12810, 13470, 14945, 15715, 17080, 17934, 17960, 18858, 22001, 23912, 25144, 25620, 26940, 27389, 29890, 31430, 35868, 37716, 44002, 44835, 47145, 51240, 53880, 54778, 59780, 62860, 66003, 71736, 75432, 82167, 88004, 89670, 94290, 109556, 110005, 119560, 125720, 132006, 136945, 164334, 176008, 179340, 188580, 191723, 219112, 220010, 264012, 273890, 328668, 330015, 358680, 377160, 383446, 410835, 440020, 528024, 547780, 575169, 657336, 660030, 766892, 821670, 880040, 958615, 1095560, 1150338, 1320060, 1342061, 1533784, 1643340, 1917230, 2300676, 2640120, 2684122, 2875845, 3286680, 3834460, 4026183, 4601352, 5368244, 5751690, 6710305, 7668920, 8052366, 10736488, 11503380, 13420610, 16104732, 20130915, 23006760, 26841220, 32209464, 40261830, 53682440, 80523660, 161047320]

約数ペア:

[(1, 161047320), (2, 80523660), (3, 53682440), (4, 40261830), (5, 32209464), (6, 26841220), (7, 23006760), (8, 20130915), (10, 16104732), (12, 13420610), (14, 11503380), (15, 10736488), (20, 8052366), (21, 7668920), (24, 6710305), (28, 5751690), (30, 5368244), (35, 4601352), (40, 4026183), (42, 3834460), (49, 3286680), (56, 2875845), (60, 2684122), (61, 2640120), (70, 2300676), (84, 1917230), (98, 1643340), (105, 1533784), (120, 1342061), (122, 1320060), (140, 1150338), (147, 1095560), (168, 958615), (183, 880040), (196, 821670), (210, 766892), (244, 660030), (245, 657336), (280, 575169), (294, 547780), (305, 528024), (366, 440020), (392, 410835), (420, 383446), (427, 377160), (449, 358680), (488, 330015), (490, 328668), (588, 273890), (610, 264012), (732, 220010), (735, 219112), (840, 191723), (854, 188580), (898, 179340), (915, 176008), (980, 164334), (1176, 136945), (1220, 132006), (1281, 125720), (1347, 119560), (1464, 110005), (1470, 109556), (1708, 94290), (1796, 89670), (1830, 88004), (1960, 82167), (2135, 75432), (2245, 71736), (2440, 66003), (2562, 62860), (2694, 59780), (2940, 54778), (2989, 53880), (3143, 51240), (3416, 47145), (3592, 44835), (3660, 44002), (4270, 37716), (4490, 35868), (5124, 31430), (5388, 29890), (5880, 27389), (5978, 26940), (6286, 25620), (6405, 25144), (6735, 23912), (7320, 22001), (8540, 18858), (8967, 17960), (8980, 17934), (9429, 17080), (10248, 15715), (10776, 14945), (11956, 13470), (12572, 12810)]