681640427520

素因数分解:

$2^{15}\times 3^6\times 5^1\times {\mathrm{13}}^1\times {\mathrm{439}}^1$

素因数の和:505

約数の個数: 896

約数和(自身を含む): 2647435744800

約数和(自身を除く): 1965795317280

約数列:

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約数ペア:

[(1, 681640427520), (2, 340820213760), (3, 227213475840), (4, 170410106880), (5, 136328085504), (6, 113606737920), (8, 85205053440), (9, 75737825280), (10, 68164042752), (12, 56803368960), (13, 52433879040), (15, 45442695168), (16, 42602526720), (18, 37868912640), (20, 34082021376), (24, 28401684480), (26, 26216939520), (27, 25245941760), (30, 22721347584), (32, 21301263360), (36, 18934456320), (39, 17477959680), (40, 17041010688), (45, 15147565056), (48, 14200842240), (52, 13108469760), (54, 12622970880), (60, 11360673792), (64, 10650631680), (65, 10486775808), (72, 9467228160), (78, 8738979840), (80, 8520505344), (81, 8415313920), (90, 7573782528), (96, 7100421120), (104, 6554234880), (108, 6311485440), (117, 5825986560), (120, 5680336896), (128, 5325315840), (130, 5243387904), (135, 5049188352), (144, 4733614080), (156, 4369489920), (160, 4260252672), (162, 4207656960), (180, 3786891264), (192, 3550210560), (195, 3495591936), (208, 3277117440), (216, 3155742720), (234, 2912993280), 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(552960, 1232712), (561920, 1213056), (568944, 1198080), (599040, 1137888), (606528, 1123840), (616356, 1105920), (622080, 1095744), (632160, 1078272), (638976, 1066770), (640062, 1064960), (663552, 1027260), (673920, 1011456), (674304, 1010880), (684840, 995328), (711180, 958464), (718848, 948240), (730496, 933120), (737280, 924534), (746496, 913120), (758160, 899072), (758592, 898560), (770445, 884736), (798720, 853416), (808704, 842880), (821808, 829440)]