1209852800

素因数分解:

$2^7\times 5^2\times {\mathrm{13}}^1\times {\mathrm{127}}^1\times {\mathrm{229}}^1$

素因数の和:393

約数の個数: 192

約数和(自身を含む): 3258124800

約数和(自身を除く): 2048272000

約数列:

[1, 2, 4, 5, 8, 10, 13, 16, 20, 25, 26, 32, 40, 50, 52, 64, 65, 80, 100, 104, 127, 128, 130, 160, 200, 208, 229, 254, 260, 320, 325, 400, 416, 458, 508, 520, 635, 640, 650, 800, 832, 916, 1016, 1040, 1145, 1270, 1300, 1600, 1651, 1664, 1832, 2032, 2080, 2290, 2540, 2600, 2977, 3175, 3200, 3302, 3664, 4064, 4160, 4580, 5080, 5200, 5725, 5954, 6350, 6604, 7328, 8128, 8255, 8320, 9160, 10160, 10400, 11450, 11908, 12700, 13208, 14656, 14885, 16256, 16510, 18320, 20320, 20800, 22900, 23816, 25400, 26416, 29083, 29312, 29770, 33020, 36640, 40640, 41275, 41600, 45800, 47632, 50800, 52832, 58166, 59540, 66040, 73280, 74425, 81280, 82550, 91600, 95264, 101600, 105664, 116332, 119080, 132080, 145415, 146560, 148850, 165100, 183200, 190528, 203200, 211328, 232664, 238160, 264160, 290830, 297700, 330200, 366400, 378079, 381056, 406400, 465328, 476320, 528320, 581660, 595400, 660400, 727075, 732800, 756158, 930656, 952640, 1056640, 1163320, 1190800, 1320800, 1454150, 1512316, 1861312, 1890395, 1905280, 2326640, 2381600, 2641600, 2908300, 3024632, 3722624, 3780790, 4653280, 4763200, 5283200, 5816600, 6049264, 7561580, 9306560, 9451975, 9526400, 11633200, 12098528, 15123160, 18613120, 18903950, 23266400, 24197056, 30246320, 37807900, 46532800, 48394112, 60492640, 75615800, 93065600, 120985280, 151231600, 241970560, 302463200, 604926400, 1209852800]

約数ペア:

[(1, 1209852800), (2, 604926400), (4, 302463200), (5, 241970560), (8, 151231600), (10, 120985280), (13, 93065600), (16, 75615800), (20, 60492640), (25, 48394112), (26, 46532800), (32, 37807900), (40, 30246320), (50, 24197056), (52, 23266400), (64, 18903950), (65, 18613120), (80, 15123160), (100, 12098528), (104, 11633200), (127, 9526400), (128, 9451975), (130, 9306560), (160, 7561580), (200, 6049264), (208, 5816600), (229, 5283200), (254, 4763200), (260, 4653280), (320, 3780790), (325, 3722624), (400, 3024632), (416, 2908300), (458, 2641600), (508, 2381600), (520, 2326640), (635, 1905280), (640, 1890395), (650, 1861312), (800, 1512316), (832, 1454150), (916, 1320800), (1016, 1190800), (1040, 1163320), (1145, 1056640), (1270, 952640), (1300, 930656), (1600, 756158), (1651, 732800), (1664, 727075), (1832, 660400), (2032, 595400), (2080, 581660), (2290, 528320), (2540, 476320), (2600, 465328), (2977, 406400), (3175, 381056), (3200, 378079), (3302, 366400), (3664, 330200), (4064, 297700), (4160, 290830), (4580, 264160), (5080, 238160), (5200, 232664), (5725, 211328), (5954, 203200), (6350, 190528), (6604, 183200), (7328, 165100), (8128, 148850), (8255, 146560), (8320, 145415), (9160, 132080), (10160, 119080), (10400, 116332), (11450, 105664), (11908, 101600), (12700, 95264), (13208, 91600), (14656, 82550), (14885, 81280), (16256, 74425), (16510, 73280), (18320, 66040), (20320, 59540), (20800, 58166), (22900, 52832), (23816, 50800), (25400, 47632), (26416, 45800), (29083, 41600), (29312, 41275), (29770, 40640), (33020, 36640)]