72137800

素因数分解:

$2^3\times 5^2\times 7^2\times {\mathrm{17}}^1\times {\mathrm{433}}^1$

素因数の和:480

約数の個数: 144

約数和(自身を含む): 207057060

約数和(自身を除く): 134919260

約数列:

[1, 2, 4, 5, 7, 8, 10, 14, 17, 20, 25, 28, 34, 35, 40, 49, 50, 56, 68, 70, 85, 98, 100, 119, 136, 140, 170, 175, 196, 200, 238, 245, 280, 340, 350, 392, 425, 433, 476, 490, 595, 680, 700, 833, 850, 866, 952, 980, 1190, 1225, 1400, 1666, 1700, 1732, 1960, 2165, 2380, 2450, 2975, 3031, 3332, 3400, 3464, 4165, 4330, 4760, 4900, 5950, 6062, 6664, 7361, 8330, 8660, 9800, 10825, 11900, 12124, 14722, 15155, 16660, 17320, 20825, 21217, 21650, 23800, 24248, 29444, 30310, 33320, 36805, 41650, 42434, 43300, 51527, 58888, 60620, 73610, 75775, 83300, 84868, 86600, 103054, 106085, 121240, 147220, 151550, 166600, 169736, 184025, 206108, 212170, 257635, 294440, 303100, 360689, 368050, 412216, 424340, 515270, 530425, 606200, 721378, 736100, 848680, 1030540, 1060850, 1288175, 1442756, 1472200, 1803445, 2061080, 2121700, 2576350, 2885512, 3606890, 4243400, 5152700, 7213780, 9017225, 10305400, 14427560, 18034450, 36068900, 72137800]

約数ペア:

[(1, 72137800), (2, 36068900), (4, 18034450), (5, 14427560), (7, 10305400), (8, 9017225), (10, 7213780), (14, 5152700), (17, 4243400), (20, 3606890), (25, 2885512), (28, 2576350), (34, 2121700), (35, 2061080), (40, 1803445), (49, 1472200), (50, 1442756), (56, 1288175), (68, 1060850), (70, 1030540), (85, 848680), (98, 736100), (100, 721378), (119, 606200), (136, 530425), (140, 515270), (170, 424340), (175, 412216), (196, 368050), (200, 360689), (238, 303100), (245, 294440), (280, 257635), (340, 212170), (350, 206108), (392, 184025), (425, 169736), (433, 166600), (476, 151550), (490, 147220), (595, 121240), (680, 106085), (700, 103054), (833, 86600), (850, 84868), (866, 83300), (952, 75775), (980, 73610), (1190, 60620), (1225, 58888), (1400, 51527), (1666, 43300), (1700, 42434), (1732, 41650), (1960, 36805), (2165, 33320), (2380, 30310), (2450, 29444), (2975, 24248), (3031, 23800), (3332, 21650), (3400, 21217), (3464, 20825), (4165, 17320), (4330, 16660), (4760, 15155), (4900, 14722), (5950, 12124), (6062, 11900), (6664, 10825), (7361, 9800), (8330, 8660)]