821000730

素因数分解:

$2^1\times 3^1\times 5^1\times {\mathrm{11}}^3\times {\mathrm{29}}^1\times {\mathrm{709}}^1$

素因数の和:781

約数の個数: 128

約数和(自身を含む): 2245190400

約数和(自身を除く): 1424189670

約数列:

[1, 2, 3, 5, 6, 10, 11, 15, 22, 29, 30, 33, 55, 58, 66, 87, 110, 121, 145, 165, 174, 242, 290, 319, 330, 363, 435, 605, 638, 709, 726, 870, 957, 1210, 1331, 1418, 1595, 1815, 1914, 2127, 2662, 3190, 3509, 3545, 3630, 3993, 4254, 4785, 6655, 7018, 7090, 7799, 7986, 9570, 10527, 10635, 13310, 15598, 17545, 19965, 20561, 21054, 21270, 23397, 35090, 38599, 38995, 39930, 41122, 46794, 52635, 61683, 77198, 77990, 85789, 102805, 105270, 115797, 116985, 123366, 171578, 192995, 205610, 226171, 231594, 233970, 257367, 308415, 385990, 428945, 452342, 514734, 578985, 616830, 678513, 857890, 943679, 1130855, 1157970, 1286835, 1357026, 1887358, 2261710, 2487881, 2573670, 2831037, 3392565, 4718395, 4975762, 5662074, 6785130, 7463643, 9436790, 12439405, 14155185, 14927286, 24878810, 27366691, 28310370, 37318215, 54733382, 74636430, 82100073, 136833455, 164200146, 273666910, 410500365, 821000730]

約数ペア:

[(1, 821000730), (2, 410500365), (3, 273666910), (5, 164200146), (6, 136833455), (10, 82100073), (11, 74636430), (15, 54733382), (22, 37318215), (29, 28310370), (30, 27366691), (33, 24878810), (55, 14927286), (58, 14155185), (66, 12439405), (87, 9436790), (110, 7463643), (121, 6785130), (145, 5662074), (165, 4975762), (174, 4718395), (242, 3392565), (290, 2831037), (319, 2573670), (330, 2487881), (363, 2261710), (435, 1887358), (605, 1357026), (638, 1286835), (709, 1157970), (726, 1130855), (870, 943679), (957, 857890), (1210, 678513), (1331, 616830), (1418, 578985), (1595, 514734), (1815, 452342), (1914, 428945), (2127, 385990), (2662, 308415), (3190, 257367), (3509, 233970), (3545, 231594), (3630, 226171), (3993, 205610), (4254, 192995), (4785, 171578), (6655, 123366), (7018, 116985), (7090, 115797), (7799, 105270), (7986, 102805), (9570, 85789), (10527, 77990), (10635, 77198), (13310, 61683), (15598, 52635), (17545, 46794), (19965, 41122), (20561, 39930), (21054, 38995), (21270, 38599), (23397, 35090)]