209898480

素因数分解:

$2^4\times 3^1\times 5^1\times {\mathrm{11}}^1\times {\mathrm{43}}^3$

素因数の和:156

約数の個数: 160

約数和(自身を含む): 726739200

約数和(自身を除く): 516840720

約数列:

[1, 2, 3, 4, 5, 6, 8, 10, 11, 12, 15, 16, 20, 22, 24, 30, 33, 40, 43, 44, 48, 55, 60, 66, 80, 86, 88, 110, 120, 129, 132, 165, 172, 176, 215, 220, 240, 258, 264, 330, 344, 430, 440, 473, 516, 528, 645, 660, 688, 860, 880, 946, 1032, 1290, 1320, 1419, 1720, 1849, 1892, 2064, 2365, 2580, 2640, 2838, 3440, 3698, 3784, 4730, 5160, 5547, 5676, 7095, 7396, 7568, 9245, 9460, 10320, 11094, 11352, 14190, 14792, 18490, 18920, 20339, 22188, 22704, 27735, 28380, 29584, 36980, 37840, 40678, 44376, 55470, 56760, 61017, 73960, 79507, 81356, 88752, 101695, 110940, 113520, 122034, 147920, 159014, 162712, 203390, 221880, 238521, 244068, 305085, 318028, 325424, 397535, 406780, 443760, 477042, 488136, 610170, 636056, 795070, 813560, 874577, 954084, 976272, 1192605, 1220340, 1272112, 1590140, 1627120, 1749154, 1908168, 2385210, 2440680, 2623731, 3180280, 3498308, 3816336, 4372885, 4770420, 4881360, 5247462, 6360560, 6996616, 8745770, 9540840, 10494924, 13118655, 13993232, 17491540, 19081680, 20989848, 26237310, 34983080, 41979696, 52474620, 69966160, 104949240, 209898480]

約数ペア:

[(1, 209898480), (2, 104949240), (3, 69966160), (4, 52474620), (5, 41979696), (6, 34983080), (8, 26237310), (10, 20989848), (11, 19081680), (12, 17491540), (15, 13993232), (16, 13118655), (20, 10494924), (22, 9540840), (24, 8745770), (30, 6996616), (33, 6360560), (40, 5247462), (43, 4881360), (44, 4770420), (48, 4372885), (55, 3816336), (60, 3498308), (66, 3180280), (80, 2623731), (86, 2440680), (88, 2385210), (110, 1908168), (120, 1749154), (129, 1627120), (132, 1590140), (165, 1272112), (172, 1220340), (176, 1192605), (215, 976272), (220, 954084), (240, 874577), (258, 813560), (264, 795070), (330, 636056), (344, 610170), (430, 488136), (440, 477042), (473, 443760), (516, 406780), (528, 397535), (645, 325424), (660, 318028), (688, 305085), (860, 244068), (880, 238521), (946, 221880), (1032, 203390), (1290, 162712), (1320, 159014), (1419, 147920), (1720, 122034), (1849, 113520), (1892, 110940), (2064, 101695), (2365, 88752), (2580, 81356), (2640, 79507), (2838, 73960), (3440, 61017), (3698, 56760), (3784, 55470), (4730, 44376), (5160, 40678), (5547, 37840), (5676, 36980), (7095, 29584), (7396, 28380), (7568, 27735), (9245, 22704), (9460, 22188), (10320, 20339), (11094, 18920), (11352, 18490), (14190, 14792)]