261567996340

素因数分解:

$2^2\times 5^1\times 7^1\times {\mathrm{23}}^2\times {\mathrm{61}}^1\times {\mathrm{57899}}^1$

素因数の和:58022

約数の個数: 144

約数和(自身を含む): 667013558400

約数和(自身を除く): 405445562060

約数列:

[1, 2, 4, 5, 7, 10, 14, 20, 23, 28, 35, 46, 61, 70, 92, 115, 122, 140, 161, 230, 244, 305, 322, 427, 460, 529, 610, 644, 805, 854, 1058, 1220, 1403, 1610, 1708, 2116, 2135, 2645, 2806, 3220, 3703, 4270, 5290, 5612, 7015, 7406, 8540, 9821, 10580, 14030, 14812, 18515, 19642, 28060, 32269, 37030, 39284, 49105, 57899, 64538, 74060, 98210, 115798, 129076, 161345, 196420, 225883, 231596, 289495, 322690, 405293, 451766, 578990, 645380, 810586, 903532, 1129415, 1157980, 1331677, 1621172, 2026465, 2258830, 2663354, 3531839, 4052930, 4517660, 5326708, 6658385, 7063678, 8105860, 9321739, 13316770, 14127356, 17659195, 18643478, 24722873, 26633540, 30628571, 35318390, 37286956, 46608695, 49445746, 61257142, 70636780, 81232297, 93217390, 98891492, 122514284, 123614365, 153142855, 162464594, 186434780, 214399997, 247228730, 306285710, 324929188, 406161485, 428799994, 494457460, 568626079, 612571420, 812322970, 857599988, 1071999985, 1137252158, 1624645940, 1868342831, 2143999970, 2274504316, 2843130395, 3736685662, 4287999940, 5686260790, 7473371324, 9341714155, 11372521580, 13078399817, 18683428310, 26156799634, 37366856620, 52313599268, 65391999085, 130783998170, 261567996340]

約数ペア:

[(1, 261567996340), (2, 130783998170), (4, 65391999085), (5, 52313599268), (7, 37366856620), (10, 26156799634), (14, 18683428310), (20, 13078399817), (23, 11372521580), (28, 9341714155), (35, 7473371324), (46, 5686260790), (61, 4287999940), (70, 3736685662), (92, 2843130395), (115, 2274504316), (122, 2143999970), (140, 1868342831), (161, 1624645940), (230, 1137252158), (244, 1071999985), (305, 857599988), (322, 812322970), (427, 612571420), (460, 568626079), (529, 494457460), (610, 428799994), (644, 406161485), (805, 324929188), (854, 306285710), (1058, 247228730), (1220, 214399997), (1403, 186434780), (1610, 162464594), (1708, 153142855), (2116, 123614365), (2135, 122514284), (2645, 98891492), (2806, 93217390), (3220, 81232297), (3703, 70636780), (4270, 61257142), (5290, 49445746), (5612, 46608695), (7015, 37286956), (7406, 35318390), (8540, 30628571), (9821, 26633540), (10580, 24722873), (14030, 18643478), (14812, 17659195), (18515, 14127356), (19642, 13316770), (28060, 9321739), (32269, 8105860), (37030, 7063678), (39284, 6658385), (49105, 5326708), (57899, 4517660), (64538, 4052930), (74060, 3531839), (98210, 2663354), (115798, 2258830), (129076, 2026465), (161345, 1621172), (196420, 1331677), (225883, 1157980), (231596, 1129415), (289495, 903532), (322690, 810586), (405293, 645380), (451766, 578990)]