81692800

素因数分解:

$2^7\times 5^2\times 7^2\times {\mathrm{521}}^1$

素因数の和:559

約数の個数: 144

約数和(自身を含む): 235205370

約数和(自身を除く): 153512570

約数列:

[1, 2, 4, 5, 7, 8, 10, 14, 16, 20, 25, 28, 32, 35, 40, 49, 50, 56, 64, 70, 80, 98, 100, 112, 128, 140, 160, 175, 196, 200, 224, 245, 280, 320, 350, 392, 400, 448, 490, 521, 560, 640, 700, 784, 800, 896, 980, 1042, 1120, 1225, 1400, 1568, 1600, 1960, 2084, 2240, 2450, 2605, 2800, 3136, 3200, 3647, 3920, 4168, 4480, 4900, 5210, 5600, 6272, 7294, 7840, 8336, 9800, 10420, 11200, 13025, 14588, 15680, 16672, 18235, 19600, 20840, 22400, 25529, 26050, 29176, 31360, 33344, 36470, 39200, 41680, 51058, 52100, 58352, 66688, 72940, 78400, 83360, 91175, 102116, 104200, 116704, 127645, 145880, 156800, 166720, 182350, 204232, 208400, 233408, 255290, 291760, 333440, 364700, 408464, 416800, 466816, 510580, 583520, 638225, 729400, 816928, 833600, 1021160, 1167040, 1276450, 1458800, 1633856, 1667200, 2042320, 2334080, 2552900, 2917600, 3267712, 4084640, 5105800, 5835200, 8169280, 10211600, 11670400, 16338560, 20423200, 40846400, 81692800]

約数ペア:

[(1, 81692800), (2, 40846400), (4, 20423200), (5, 16338560), (7, 11670400), (8, 10211600), (10, 8169280), (14, 5835200), (16, 5105800), (20, 4084640), (25, 3267712), (28, 2917600), (32, 2552900), (35, 2334080), (40, 2042320), (49, 1667200), (50, 1633856), (56, 1458800), (64, 1276450), (70, 1167040), (80, 1021160), (98, 833600), (100, 816928), (112, 729400), (128, 638225), (140, 583520), (160, 510580), (175, 466816), (196, 416800), (200, 408464), (224, 364700), (245, 333440), (280, 291760), (320, 255290), (350, 233408), (392, 208400), (400, 204232), (448, 182350), (490, 166720), (521, 156800), (560, 145880), (640, 127645), (700, 116704), (784, 104200), (800, 102116), (896, 91175), (980, 83360), (1042, 78400), (1120, 72940), (1225, 66688), (1400, 58352), (1568, 52100), (1600, 51058), (1960, 41680), (2084, 39200), (2240, 36470), (2450, 33344), (2605, 31360), (2800, 29176), (3136, 26050), (3200, 25529), (3647, 22400), (3920, 20840), (4168, 19600), (4480, 18235), (4900, 16672), (5210, 15680), (5600, 14588), (6272, 13025), (7294, 11200), (7840, 10420), (8336, 9800)]