210855420

素因数分解:

$2^2\times 3^3\times 5^1\times {\mathrm{17}}^1\times {\mathrm{103}}^1\times {\mathrm{223}}^1$

素因数の和:361

約数の個数: 192

約数和(自身を含む): 704471040

約数和(自身を除く): 493615620

約数列:

[1, 2, 3, 4, 5, 6, 9, 10, 12, 15, 17, 18, 20, 27, 30, 34, 36, 45, 51, 54, 60, 68, 85, 90, 102, 103, 108, 135, 153, 170, 180, 204, 206, 223, 255, 270, 306, 309, 340, 412, 446, 459, 510, 515, 540, 612, 618, 669, 765, 892, 918, 927, 1020, 1030, 1115, 1236, 1338, 1530, 1545, 1751, 1836, 1854, 2007, 2060, 2230, 2295, 2676, 2781, 3060, 3090, 3345, 3502, 3708, 3791, 4014, 4460, 4590, 4635, 5253, 5562, 6021, 6180, 6690, 7004, 7582, 8028, 8755, 9180, 9270, 10035, 10506, 11124, 11373, 12042, 13380, 13905, 15164, 15759, 17510, 18540, 18955, 20070, 21012, 22746, 22969, 24084, 26265, 27810, 30105, 31518, 34119, 35020, 37910, 40140, 45492, 45938, 47277, 52530, 55620, 56865, 60210, 63036, 68238, 68907, 75820, 78795, 91876, 94554, 102357, 105060, 113730, 114845, 120420, 136476, 137814, 157590, 170595, 189108, 204714, 206721, 227460, 229690, 236385, 275628, 315180, 341190, 344535, 390473, 409428, 413442, 459380, 472770, 511785, 620163, 682380, 689070, 780946, 826884, 945540, 1023570, 1033605, 1171419, 1240326, 1378140, 1561892, 1952365, 2047140, 2067210, 2342838, 2480652, 3100815, 3514257, 3904730, 4134420, 4685676, 5857095, 6201630, 7028514, 7809460, 10542771, 11714190, 12403260, 14057028, 17571285, 21085542, 23428380, 35142570, 42171084, 52713855, 70285140, 105427710, 210855420]

約数ペア:

[(1, 210855420), (2, 105427710), (3, 70285140), (4, 52713855), (5, 42171084), (6, 35142570), (9, 23428380), (10, 21085542), (12, 17571285), (15, 14057028), (17, 12403260), (18, 11714190), (20, 10542771), (27, 7809460), (30, 7028514), (34, 6201630), (36, 5857095), (45, 4685676), (51, 4134420), (54, 3904730), (60, 3514257), (68, 3100815), (85, 2480652), (90, 2342838), (102, 2067210), (103, 2047140), (108, 1952365), (135, 1561892), (153, 1378140), (170, 1240326), (180, 1171419), (204, 1033605), (206, 1023570), (223, 945540), (255, 826884), (270, 780946), (306, 689070), (309, 682380), (340, 620163), (412, 511785), (446, 472770), (459, 459380), (510, 413442), (515, 409428), (540, 390473), (612, 344535), (618, 341190), (669, 315180), (765, 275628), (892, 236385), (918, 229690), (927, 227460), (1020, 206721), (1030, 204714), (1115, 189108), (1236, 170595), (1338, 157590), (1530, 137814), (1545, 136476), (1751, 120420), (1836, 114845), (1854, 113730), (2007, 105060), (2060, 102357), (2230, 94554), (2295, 91876), (2676, 78795), (2781, 75820), (3060, 68907), (3090, 68238), (3345, 63036), (3502, 60210), (3708, 56865), (3791, 55620), (4014, 52530), (4460, 47277), (4590, 45938), (4635, 45492), (5253, 40140), (5562, 37910), (6021, 35020), (6180, 34119), (6690, 31518), (7004, 30105), (7582, 27810), (8028, 26265), (8755, 24084), (9180, 22969), (9270, 22746), (10035, 21012), (10506, 20070), (11124, 18955), (11373, 18540), (12042, 17510), (13380, 15759), (13905, 15164)]