81801297760

素因数分解:

$2^5\times 5^1\times 7^2\times {\mathrm{13}}^1\times {\mathrm{802603}}^1$

素因数の和:802645

約数の個数: 144

約数和(自身を含む): 242100680976

約数和(自身を除く): 160299383216

約数列:

[1, 2, 4, 5, 7, 8, 10, 13, 14, 16, 20, 26, 28, 32, 35, 40, 49, 52, 56, 65, 70, 80, 91, 98, 104, 112, 130, 140, 160, 182, 196, 208, 224, 245, 260, 280, 364, 392, 416, 455, 490, 520, 560, 637, 728, 784, 910, 980, 1040, 1120, 1274, 1456, 1568, 1820, 1960, 2080, 2548, 2912, 3185, 3640, 3920, 5096, 6370, 7280, 7840, 10192, 12740, 14560, 20384, 25480, 50960, 101920, 802603, 1605206, 3210412, 4013015, 5618221, 6420824, 8026030, 10433839, 11236442, 12841648, 16052060, 20867678, 22472884, 25683296, 28091105, 32104120, 39327547, 41735356, 44945768, 52169195, 56182210, 64208240, 73036873, 78655094, 83470712, 89891536, 104338390, 112364420, 128416480, 146073746, 157310188, 166941424, 179783072, 196637735, 208676780, 224728840, 292147492, 314620376, 333882848, 365184365, 393275470, 417353560, 449457680, 511258111, 584294984, 629240752, 730368730, 786550940, 834707120, 898915360, 1022516222, 1168589968, 1258481504, 1460737460, 1573101880, 1669414240, 2045032444, 2337179936, 2556290555, 2921474920, 3146203760, 4090064888, 5112581110, 5842949840, 6292407520, 8180129776, 10225162220, 11685899680, 16360259552, 20450324440, 40900648880, 81801297760]

約数ペア:

[(1, 81801297760), (2, 40900648880), (4, 20450324440), (5, 16360259552), (7, 11685899680), (8, 10225162220), (10, 8180129776), (13, 6292407520), (14, 5842949840), (16, 5112581110), (20, 4090064888), (26, 3146203760), (28, 2921474920), (32, 2556290555), (35, 2337179936), (40, 2045032444), (49, 1669414240), (52, 1573101880), (56, 1460737460), (65, 1258481504), (70, 1168589968), (80, 1022516222), (91, 898915360), (98, 834707120), (104, 786550940), (112, 730368730), (130, 629240752), (140, 584294984), (160, 511258111), (182, 449457680), (196, 417353560), (208, 393275470), (224, 365184365), (245, 333882848), (260, 314620376), (280, 292147492), (364, 224728840), (392, 208676780), (416, 196637735), (455, 179783072), (490, 166941424), (520, 157310188), (560, 146073746), (637, 128416480), (728, 112364420), (784, 104338390), (910, 89891536), (980, 83470712), (1040, 78655094), (1120, 73036873), (1274, 64208240), (1456, 56182210), (1568, 52169195), (1820, 44945768), (1960, 41735356), (2080, 39327547), (2548, 32104120), (2912, 28091105), (3185, 25683296), (3640, 22472884), (3920, 20867678), (5096, 16052060), (6370, 12841648), (7280, 11236442), (7840, 10433839), (10192, 8026030), (12740, 6420824), (14560, 5618221), (20384, 4013015), (25480, 3210412), (50960, 1605206), (101920, 802603)]